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Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Compleated
[+1]: Reveal the top card of your library. If it's a creature or planeswalker card, put it into your hand. Otherwise, you may put it on the bottom of your library.
[–3]: Distribute three +1/+1 counters among up to three target creatures. They gain vigilance until end of turn.
[–6]: You get an emblem with "Whenever you cast a creature or planeswalker spell, target opponent gets two poison counters."

Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

{1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Defender
When Cathedral Membrane dies during combat, it deals 6 damage to each creature it blocked this combat.

Corrosive Gale deals X damage to each creature with flying.

Target creature gets -5/-5 until end of turn.

Look at target player's hand.
Draw a card.

Gut Shot deals 1 damage to any target.

Compleated
[+1]: Until your next turn, up to one target creature gets -3/-0.
[–2]: Target player mills three cards. Then if a graveyard has twenty or more cards in it, you draw three cards. Otherwise, you draw a card.
[–X]: Target player mills three times X cards.

Lifelink
For each {B} in a cost, you may pay 2 life rather than pay that mana.
Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Compleated
[+1]: Add {R}{G}. Spend this mana only to cast creature spells or activate abilities of creatures.
[–1]: Create a 3/3 green Phyrexian Beast creature token with toxic 1.
[–4]: Lukka deals X damage divided as you choose among any number of target creatures and/or planeswalkers, where X is the greatest power among creatures you controlled as you activated this ability.

Marrow Shards deals 1 damage to each attacking creature.

Counter target spell with mana value 1.

Flying
{R/P}: Moltensteel Dragon gets +1/+0 until end of turn.

Target creature gets +2/+2 until end of turn.

Compleated
[+1]: Until your next turn, up to one target creature attacks a player each combat if able.
[+1]: Discard a card, then draw a card.
[0]: Exile target creature or Equipment card with mana value less than Nahiri's loyalty from your graveyard. Create a token that's a copy of it. That token gains haste. Exile it at the beginning of the next end step.

Compleated
[+1]: Create an X/X green Phyrexian Horror creature token, where X is Nissa, Ascended Animist's loyalty.
[–1]: Destroy target artifact or enchantment.
[–7]: Until end of turn, creatures you control get +1/+1 for each Forest you control and gain trample.

Creatures can't attack you or planeswalkers you control unless their controller pays {W/P} for each of those creatures.

Put target card from a graveyard on top of its owner's library.

If you would lose unspent mana, that mana becomes black instead.
At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

When Pith Driller enters the battlefield, put a -1/-1 counter on target creature.

First strike

Return target creature card with mana value X from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step.