Sacrifice a creature: Add {C}{C}.

{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Whenever a creature enters the battlefield, if it was cast, exile it, then return all other permanent cards exiled with Mirror of Life Trapping to the battlefield under their owners' control.

{T}: The next face-down creature spell you cast this turn costs {3} less to cast. If turning a face-down permanent face up causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Sacrifice a creature: Add one mana of any color.

{T}: Manifest a card from your hand. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Megamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Ainok Survivalist is turned face up, destroy target artifact or enchantment an opponent controls.

This spell can't be countered. Flying, trample, protection from white and from blue {R}: Akroma, Angel of Fury gets +1/+0 until end of turn. Morph {3}{R}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying Whenever Ancient Bronze Dragon deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

Flying Whenever Ancient Copper Dragon deals combat damage to a player, roll a d20. You create a number of Treasure tokens equal to the result.

Whenever Arashin War Beast deals combat damage to one or more blocking creatures, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Flying, trample Whenever Bloodthirster deals combat damage to a player, untap it. After this combat phase, there is an additional combat phase. Bloodthirster can't attack a player it has already attacked this turn.

Disguise {1}{R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Boltbender is turned face up, you may choose new targets for any number of other spells and/or abilities.

Trample Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Creatures with power less than Den Protector's power can't block it. Megamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Den Protector is turned face up, return target card from your graveyard to your hand.

{2}{R}, {T}: Destroy target nonbasic land. Morph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{4}{G}, Sacrifice a creature: Destroy target creature with flying.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Trample Whenever Experiment Twelve or another creature you control is turned face up, put +1/+1 counters on that creature equal to its power. Disguise {4}{G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Flourishing Bloom-Kin gets +1/+1 for each Forest you control. Disguise {4}{G} When Flourishing Bloom-Kin is turned face up, search your library for up to two Forest cards and reveal them. Put one of them onto the battlefield tapped and the other into your hand, then shuffle.

Damage that would reduce your life total to less than 1 reduces it to 1 instead. Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Disguise {5}{G}{G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Greenbelt Radical is turned face up, put a +1/+1 counter on each creature you control. Creatures you control gain trample until end of turn.

When Haywire Mite dies, you gain 2 life. {G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

Menace (This creature can't be blocked except by two or more creatures.) Megamorph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Ire Shaman is turned face up, exile the top card of your library. Until end of turn, you may play that card.

Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Jeering Instigator is turned face up, if it's your turn, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.

Morph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Nantuko Vigilante is turned face up, destroy target artifact or enchantment.

Disguise {G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Nervous Gardener is turned face up, search your library for a land card with a basic land type, reveal it, put it into your hand, then shuffle.

Flying Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Morph {4}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever Pine Walker or another creature you control is turned face up, untap that creature.

Deathtouch Whenever Printlifter Ooze or another creature you control is turned face up, create a 0/0 green Ooze creature token with trample. The token enters the battlefield with X +1/+1 counters on it, where X is the number of other creatures you control. Disguise {3}{G}

Disguise {R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) Whenever Pyrotechnic Performer or another creature you control is turned face up, that creature deals damage equal to its power to each opponent.

Reach Disguise {4}{R/G}{R/G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Morph {5}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Root Elemental is turned face up, you may put a creature card from your hand onto the battlefield.

Whenever a creature you control deals combat damage to a player, add that much {G}. Until end of turn, you don't lose this mana as steps and phases end.

Untap all permanents you control during each other player's untap step.

Morph {4}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Shaleskin Plower is turned face up, destroy target land.

Ninjutsu {3}{G} ({3}{G}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Spring-Leaf Avenger deals combat damage to a player, return target permanent card from your graveyard to your hand.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever Stigma Lasher deals damage to a player, that player can't gain life for the rest of the game.

When Temur War Shaman enters the battlefield, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever a permanent you control is turned face up, if it's a creature, you may have it fight target creature you don't control.

At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on Tunnel Tipster. {T}: Add {G}.

At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Sacrifice Whisperwood Elemental: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library."

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Face-down creature spells you cast cost {1} less to cast. {1}{G}: Turn Obscuring Aether face down. (It becomes a 2/2 creature.)

{1}, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Whenever a face-down creature enters the battlefield under your control, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. Whenever a permanent you control is turned face up, if it's a creature, it gets +2/+2 until end of turn.

Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up.

Choose one or both — • Turn target face-down creature face up. • Exile any number of face-up creatures you control with disguise in a face-down pile, shuffle that pile, then cloak them. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward {2}. Turn it face up any time for its mana cost if it's a creature card.)

Sacrifice any number of creatures. Last-Ditch Effort deals that much damage to any target.

{T}: Add {G}. Channel — {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

{T}: Add {C}. Disguise {3} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Branch of Vitu-Ghazi is turned face up, add two mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

{T}: Add one mana of any color in your commander's color identity.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

({T}: Add {G}.)

{T}: Add {C}. {T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Hidden Nursery enters the battlefield tapped. {T}: Add {G}. {4}{G}, {T}, Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Volcano enters the battlefield tapped. {T}: Add {R}. {4}{R}, {T}, Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

{T}: Add {C}. {3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

({T}: Add {R}.)

{2}, {T}: Exile target creature you control. At the beginning of your upkeep, you may sacrifice Safe Haven. If you do, return each card exiled with Safe Haven to the battlefield under its owner's control.

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {T}, Sacrifice Strip Mine: Destroy target land.

({T}: Add {R} or {G}.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Suspend 4—{G} Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Look at the top five cards of your library, cloak two of them, and put the rest on the bottom of your library in a random order. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward {2}. Turn it face up any time for its mana cost if it's a creature card.)

Destroy target land. Search your library for a Forest card, put that card onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, sacrifice a green creature. Search your library for a green creature card, put it onto the battlefield, then shuffle.

For each player, choose friend or foe. Each friend searches their library for a land card, puts it onto the battlefield tapped, then shuffles. Each foe sacrifices an artifact or enchantment they control.