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.)

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

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.

{T}: Add {R}. Barbarian Ring deals 1 damage to you.

Threshold — {R}, {T}, Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

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

Threshold — As long as seven or more cards are in your graveyard, Battlewise Aven gets +1/+1 and has first strike.

Flying

At the beginning of your upkeep, mill a card.

Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 and has “At the beginning of your end step, exile two cards from 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.”

Discard a card: Cabal Initiate gains lifelink until end of turn.

Threshold — Cabal Initiate gets +1/+2 as long as seven or more cards are in your graveyard.

Threshold — {1}{B}, {T}, 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.

{T}: Add {B}. Cabal Pit deals 1 damage to you.

Threshold — {B}, {T}, Sacrifice Cabal Pit: Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

Add {B}{B}{B}.

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

{B}, {T}: Target creature gets -1/-1 until end of turn.

Threshold — {3}{B}{B}, {T}: Target creature gets -2/-2 until end of turn. Activate only 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 the battlefield, creatures you control get +1/+1 and gain trample until end of turn.”

{T}: Add {G}. Centaur Garden deals 1 damage to you.

Threshold — {G}, {T}, Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. Activate only if seven or more cards are in your graveyard.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.

Threshold — {U}, {T}, 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 the battlefield, draw three cards, then discard two cards.”

{1}{R}, {T}: Chainflinger deals 1 damage to any target.

Threshold — {2}{R}, {T}: Chainflinger deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

Flying

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

At the beginning of your upkeep, you may put a +1/+1 counter on Chlorophant.

Threshold — As long as seven or more cards are in your graveyard, Chlorophant has “At the beginning of your upkeep, you may put another +1/+1 counter on Chlorophant.”