Enchant creature

Enchanted creature has flying.

Threshold — Enchanted creature has shroud as long as seven or more cards are in your graveyard. (It can't be the target of spells or abilities.)

Creatures you control get +0/+2 until end of turn.

Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn.

Threshold — Put three cards from your graveyard on the bottom of your library: Battlefield Scrounger gets +3/+3 until end of turn. Activate only once each turn and only if seven or more cards are in your graveyard.

Flying

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)

Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard.

Flying

Threshold — 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."

Threshold — , , Exile two cards from your graveyard: Target player discards a card. Activate only as a sorcery and only if seven or more cards are in your graveyard.

Add .

Threshold — Add instead if seven or more cards are in your graveyard.

Haste

Threshold — As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters, creatures you control get +1/+1 and gain trample until end of turn."

: Add . Cephalid Coliseum deals 1 damage to you.

Threshold — , , Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

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."

Flying

Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block.

Destroy all enchantments.

Threshold — If seven or more cards are in your graveyard, instead destroy all enchantments, then return all cards in your graveyard destroyed this way to the battlefield.

Menace (This creature can't be blocked except by two or more creatures.)

Threshold — Whenever this creature attacks, if there are seven or more cards in your graveyard, this creature gets +2/+0 until end of turn.

All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Threshold — If seven or more cards are in your graveyard, creatures can't block this turn.

White creatures get +1/+1.

Threshold — White creatures get an additional +1/+1 as long as seven or more cards are in your graveyard.

Target player sacrifices a land of their choice.

Threshold — Each player sacrifices all lands they control instead if seven or more cards are in your graveyard.

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

Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Threshold — As long as seven or more cards are in your graveyard, Frightcrawler gets +2/+2 and can't block.

Create two 2/2 green Bear creature tokens.

Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard.

Flashback (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, Hunting Grounds has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

Enchant creature

Enchanted creature has first strike.

Threshold — Enchanted creature gets +3/+0 as long as seven or more cards are in your graveyard.

When Kiora enters, draw two cards, then discard two cards.

Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Destroy all creatures. They can't be regenerated.

Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

Threshold — Krosan Beast gets +7/+7 as long as seven or more cards are in your graveyard.

Lightning Surge deals 4 damage to any target.

Threshold — If seven or more cards are in your graveyard, instead Lightning Surge deals 6 damage to that permanent or player and the damage can't be prevented.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Threshold — Metamorphic Wurm gets +4/+4 as long as seven or more cards are in your graveyard.

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Threshold — As long as seven or more cards are in your graveyard, creatures your opponents control get -1/-0.

Protection from black

Threshold — As long as seven or more cards are in your graveyard, Mystic Enforcer gets +3/+3 and has flying.

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Mystic Penitent gets +1/+1 and has flying.

Threshold — As long as seven or more cards are in your graveyard, Mystic Zealot gets +1/+1 and has flying.

, , Sacrifice Nantuko Calmer: Destroy target enchantment.

Threshold — Nantuko Calmer gets +1/+1 as long as seven or more cards are in your graveyard.

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Nightwhorl Hermit gets +1/+0 and can't be blocked.

, : Tap target creature.

Threshold — , : Tap two target creatures. Activate only if seven or more cards are in your graveyard.

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token.

Threshold — All Squirrels get +2/+2 as long as seven or more cards are in your graveyard.

Threshold — As long as seven or more cards are in your graveyard, Pardic Arsonist has "When Pardic Arsonist enters, it deals 3 damage to any target."

Persistent Marshstalker gets +1/+0 for each other Rat you control.

Threshold — Whenever you attack with one or more Rats, if seven or more cards are in your graveyard, you may pay . If you do, return Persistent Marshstalker from your graveyard to the battlefield tapped and attacking.

First strike

Threshold — As long as seven or more cards are in your graveyard, Possessed Barbarian gets +1/+1, is black, and has ", : Destroy target red creature."

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Possessed Nomad gets +1/+1, is black, and has ", : Destroy target white creature."

Destroy target land.

Threshold — If seven or more cards are in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Flying

Whenever a creature dealt damage by Repentant Vampire this turn dies, put a +1/+1 counter on Repentant Vampire.

Threshold — As long as seven or more cards are in your graveyard, Repentant Vampire is white and has ": Destroy target black creature."

Reach (This creature can block creatures with flying.)

Threshold — Seton's Scout gets +2/+2 as long as seven or more cards are in your graveyard.

Shower of Coals deals 2 damage to each of up to three targets.

Threshold — Shower of Coals deals 4 damage to each of those permanents and/or players instead if seven or more cards are in your graveyard.

Threshold — Springing Tiger gets +2/+2 as long as seven or more cards are in your graveyard.

Whenever Stone-Tongue Basilisk deals combat damage to a creature, destroy that creature at end of combat.

Threshold — As long as seven or more cards are in your graveyard, all creatures able to block Stone-Tongue Basilisk do so.

Flash

Threshold — As long as seven or more cards are in your graveyard, Teroh's Vanguard has "When Teroh's Vanguard enters, creatures you control gain protection from black until end of turn."

Threshold — : Put a +1/+1 counter on Thought Shucker and draw a card. Activate only if seven or more cards are in your graveyard and only once.

Target nonblack creature gets -1/-1 until end of turn.

Threshold — If seven or more cards are in your graveyard, instead destroy that creature. It can't be regenerated.

Flying

Whenever Treacherous Vampire attacks or blocks, sacrifice it unless you exile a card from your graveyard.

Threshold — As long as seven or more cards are in your graveyard, Treacherous Vampire gets +2/+2 and has "When Treacherous Vampire dies, you lose 6 life."

Threshold — As long as seven or more cards are in your graveyard, Vigilant Sentry gets +1/+1 and has ": Target attacking or blocking creature gets +3/+3 until end of turn."

: Add .

Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.