FlyingThreshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."
Whenever Carrion Rats attacks or blocks, any player may exile a card from their graveyard. If a player does, Carrion Rats assigns no combat damage this turn.
When Laquatus's Champion enters, target player loses 6 life.When Laquatus's Champion leaves the battlefield, that player gains 6 life.: Regenerate Laquatus's Champion.
FlyingThreshold — As long as seven or more cards are in your graveyard, Gloomdrifter has "When Gloomdrifter enters, nonblack creatures get -2/-2 until end of turn."
Target creature gets -2/-2 until end of turn.Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
FlyingWhen Hypnox enters, if you cast it from your hand, exile all cards from target opponent's hand.When Hypnox leaves the battlefield, return the exiled cards to their owner's hand.
Discard a card: Putrid Imp gains flying until end of turn.Threshold — As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.
Whenever Carrion Wurm attacks or blocks, any player may exile three cards from their graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.
Green creatures and white creatures can't block this turn.Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Threshold — As long as seven or more cards are in your graveyard, Cephalid Sage has "When Cephalid Sage enters, draw three cards, then discard two cards."
Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
When Petradon enters, exile two target lands.When Petradon leaves the battlefield, return the exiled cards to the battlefield under their owners' control.: Petradon gets +1/+0 until end of turn.
HasteAt the beginning of the end step, sacrifice Ichorid.At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.
Whenever Cephalid Illusionist becomes the target of a spell or ability, mill three cards., : Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.
Destroy target enchantment.Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Protection from blackAt the beginning of your upkeep, sacrifice Anurid Scavenger unless you put a card from your graveyard on the bottom of your library.
Create two 1/1 green Squirrel creature tokens.Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
, Discard a card: Prevent the next 3 damage that would be dealt to any target this turn., Sacrifice Hypochondria: Prevent the next 3 damage that would be dealt to any target this turn.
All Nightmares get +1/+1., Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.