Flying

Haunt (When this creature dies, exile it haunting target creature.)

When Belfry Spirit enters the battlefield or the creature it haunts dies, create two 1/1 black Bat creature tokens with flying.

( can be paid with either or .)

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

Flying

When Keening Banshee enters the battlefield, target creature gets -2/-2 until end of turn.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life.

Choose one —

• Return target creature you control and all Auras you control attached to it to their owner's hand.

• Destroy target creature and you lose life equal to its toughness.

• Return target creature card with mana value 1 or less from your graveyard to the battlefield.

, : Add .

, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

Flying

When Skeletal Vampire enters the battlefield, create two 1/1 black Bat creature tokens with flying.

, Sacrifice a Bat: Create two 1/1 black Bat creature tokens with flying.

Sacrifice a Bat: Regenerate Skeletal Vampire.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Whenever Treasury Thrull attacks, you may return target artifact, creature, or enchantment card from your graveyard to your hand.

: Target creature gains lifelink until end of turn.

: Whenever you gain life this turn, each opponent loses that much life.