Whenever Ashcoat of the Shadow Swarm attacks or blocks, other Rats you control get +X/+X until end of turn, where X is the number of Rats you control.

At the beginning of your end step, you may mill four cards. If you do, return up to two Rat creature cards from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Equipped creature has flying and first strike.

Equip {2}

Whenever a creature you control dies, you draw a card and you lose 1 life.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Choose a creature type. Return up to two creature cards of that type from your graveyard to the battlefield. If this spell was foretold, return all creature cards of that type from your graveyard to the battlefield instead.

Foretell {5}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Choose a creature type. Destroy all creatures that aren't of the chosen type.

Malefic Scythe enters the battlefield with a soul counter on it.

Equipped creature gets +1/+1 for each soul counter on Malefic Scythe.

Whenever equipped creature dies, put a soul counter on Malefic Scythe.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip {3}

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.

Equip {3}

As Vanquisher's Banner enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Whenever you cast a creature spell of the chosen type, draw a card.