Magic The Gathering Cards of types 'Bird' and 'Beast'

Echo {2}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, put a +1/+1 counter on target creature.

Flying Cycling {2} ({2}, Discard this card: Draw a card.)

Flying At the beginning of your upkeep, if a player controls more Wizards than each other player, the player who controls the most Wizards gains control of this creature.

At the beginning of your upkeep, sacrifice this creature unless you pay {G}{G}.

Mutate {2}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) {T}: This creature deals X damage to any target, where X is the number of times this creature has mutated.