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."

First strike
Discard a card: Resilient Wanderer gains protection from the color of your choice until end of turn.

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Discard any number of cards. Counter target spell unless its controller pays for each card discarded this way.

Discard any number of cards. Search your library for up to that many basic land cards, reveal those cards, and put them into your hand. Then shuffle your library.

Create a 6/6 green Wurm creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Discard any number of cards. Creatures you control get +0/+1 until end of turn for each card discarded this way.

Sacrifice a creature: Target player discards two cards. Activate this ability only any time you could cast a sorcery.

, Sacrifice two lands and Sandstone Deadfall: Destroy target attacking creature.

Exile two cards from your graveyard: Sarcatog gets +1/+1 until end of turn.
Sacrifice an artifact: Sarcatog gets +1/+1 until end of turn.

Trample
Savage Firecat enters the battlefield with seven +1/+1 counters on it.
Whenever you tap a land for mana, remove a +1/+1 counter from Savage Firecat.

Scorching Missile deals 4 damage to target player or planeswalker.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

, Exile a card from your graveyard: Screams of the Damned deals 1 damage to each creature and each player.

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

Seafloor Debris enters the battlefield tapped.
: Add .
, Sacrifice Seafloor Debris: Add one mana of any color.

Exile target attacking creature.
Draw a card.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature gets +2/+2.
Threshold — As long as seven or more cards are in your graveyard, all creatures able to block enchanted creature do so.

Tap an untapped Druid you control: Add .