Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

{T}: Target permanent becomes an artifact in addition to its other types until end of turn.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

Destroy all artifacts.

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.

When Druid of Purification enters the battlefield, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent chosen this way.

Destroy target artifact or enchantment. If that permanent was blue or black, draw a card.

First strike {T}: Destroy target artifact if its mana value is equal to the amount of unspent mana you have.

Destroy target artifact or enchantment. Its controller gains 4 life.

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand. Draw a card.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

{G}, {T}, Sacrifice Scavenger Folk: Destroy target artifact.

Destroy target artifact or enchantment. Draw a card.

Equipped creature gets +2/+2 and has protection from black and from red. Whenever equipped creature deals combat damage to a player, destroy up to one target planeswalker and up to one target artifact. Equip {2}

Destroy target artifact. 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.)

{1}{G}, {T}: Target creature you control fights another target creature.

You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

{G}, {T}, Sacrifice Magus of the Order and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Whenever an artifact is put into an opponent's graveyard from the battlefield, you may draw a card.

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

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

Choose target creature. When that creature dies this turn, return a creature card from its owner's graveyard to the battlefield under the control of that creature's owner.

{1}{G}: You may return another creature you control to its owner's hand. If you do, Temur Sabertooth gains indestructible until end of turn.

When Timeless Witness enters the battlefield, return target card from your graveyard to your hand. Eternalize {5}{G}{G} ({5}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Shaman with no mana cost. Eternalize only as a sorcery.)

You may cast creature spells as though they had flash. +1: Until your next turn, up to one target creature gains vigilance and reach. −2: Look at the top three cards of your library. Exile one face down and put the rest on the bottom of your library in any order. For as long as it remains exiled, you may look at that card and you may cast it if it's a creature spell.

Whenever Roaring Slagwurm attacks, tap all artifacts.

Permanents you control gain hexproof and indestructible until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

When Channeler Initiate enters the battlefield, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color.

{1}{G}, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card. {T}: Add {C}.

{T}: Add one mana of any color that a land you control could produce.

Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power.

Sacrifice Krosan Wayfarer: You may put a land card from your hand onto the battlefield.

{T}: Add {C}. {T}: Draw a card. Activate only if you have exactly seven cards in hand.

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

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

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

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Vigilance When Briarbridge Tracker enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") As long as you control a token, Briarbridge Tracker gets +2/+0.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

When Sawblade Slinger enters the battlefield, choose up to one — • Destroy target artifact an opponent controls. • Sawblade Slinger fights target Zombie an opponent controls.

When Somberwald Beastmaster enters the battlefield, create a 2/2 green Wolf creature token, a 3/3 green Beast creature token, and a 4/4 green Beast creature token. Creature tokens you control have deathtouch.

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.