Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Aphetto Exterminator is turned face up, target creature gets -3/-3 until end of turn.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Bane of the Living is turned face up, all creatures get -X/-X until end of turn.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Bloodstoke Howler is turned face up, Beast creatures you control get +3/+0 until end of turn.
Flash
When Caller of the Claw enters the battlefield, create a 2/2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.
Amplify 1 (As this creature enters the battlefield, put a +1/+1 counter on it for each Beast card you reveal in your hand.)
: Target creature gets +1/+1 until end of turn for each +1/+1 counter on Canopy Crawler.
Flying
When Celestial Gatekeeper dies, exile it, then return up to two target Bird and/or Cleric permanent cards from your graveyard to the battlefield.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.