Ratcatcher

Target player discards their hand.

Whenever a creature you control dies, you gain life equal to that creature's toughness.

T: You gain 1 life. T, Discard a card: You gain 3 life.

W, Sacrifice this creature: Prevent the next 3 damage that would be dealt to any target this turn. Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

This creature can't be blocked. When this creature enters, you gain 4 life. When this creature enters, sacrifice it unless U was spent to cast it.

Flying Whenever this creature deals combat damage to a player, you may untap target creature. W: This creature gets +0/+1 until end of turn.

Enchant creature Enchanted creature gets +1/+1 for each of its colors.

Prevent all damage that would be dealt to target multicolored creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creature.