Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

When Fractal Harness enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it and attach Fractal Harness to it. Whenever equipped creature attacks, double the number of +1/+1 counters on it. Equip {2}

Counter target spell unless its controller pays {X}.

Counter target spell unless its controller pays {X}. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Counter target spell unless its controller pays {X}.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell with mana value X.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Target player draws X cards plus an additional card for each time they've cast a commander from the command zone this game.

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell.) You draw X cards and you lose X life.

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

This spell costs {U}{U}{U} less to cast if an opponent has drawn four or more cards this turn. Draw X cards.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card. −1: Untap target permanent.

Draw X cards, then discard a card.

Target player draws X cards.

Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order. • Counter target spell unless its controller pays twice {X}.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Draw X cards.

Vigilance, trample, haste Goldvein Hydra enters the battlefield with X +1/+1 counters on it. When Goldvein Hydra dies, create a number of tapped Treasure tokens equal to its power.

Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1/+1 counters on it.

Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.

Flying The Goose Mother enters the battlefield with X +1/+1 counters on it. When The Goose Mother enters the battlefield, create half X Food tokens, rounded up. Whenever The Goose Mother attacks, you may sacrifice a Food. If you do, draw a card.

{T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

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

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

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

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

({T}: Add {U}.)

{T}: Add {C}. {T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

You have no maximum hand size. {T}: Add {C}.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {B}.

({T}: Add {B}.)

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

{T}: Add {C}. {T}: Add {U} or {B}. Underground River deals 1 damage to you.

({T}: Add {U} or {B}.)

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

({T}: Add {U} or {B}.) As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {2}, {T}: You may cast creature spells this turn as though they had flash.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

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

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Flying At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." Pay 10 life: Untap all lands you control. Activate only once each turn.

Flying {T}: Add one mana of any color.

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.

You may play an additional land this turn. Draw a card.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {G}.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}: Add {G} for each +1/+1 counter on Gyre Sage.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

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

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

{T}: Add {C}{C}.

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}

{T}: Add {C}. {T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

You have no maximum hand size. {T}: Add {C}.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Choose one — • Each opponent sacrifices an artifact. • Each opponent sacrifices an enchantment. • Each opponent sacrifices a creature with flying.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

{B}, Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn.

{2}, {T}, Sacrifice this artifact: You gain 3 life.

(This creature is affected by summoning sickness, and it has "{T}: Add {G}.")

When this creature dies, you gain 1 life.