Keyword: Morph

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 Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner’s graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Whenever another nontoken creature you control dies, draw a card.

Hooded Hydra enters with X +1/+1 counters on it.
When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 counter on it.
Morph
As Hooded Hydra is turned face up, put five +1/+1 counters on it.

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 Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner’s graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Whenever another nontoken creature you control dies, draw a card.

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 Willbender is turned face up, change the target of target spell or ability with a single target.

As Vesuvan Shapeshifter enters or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has “At the beginning of your upkeep, you may turn this creature face down.”
Morph

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.

Flying
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 Thousand Winds is turned face up, return all other tapped creatures to their owners’ hands.

Trample, hexproof
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

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 Skinthinner is turned face up, destroy target nonblack creature. It can’t be regenerated.

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 Nantuko Vigilante is turned face up, destroy target artifact or enchantment.

All Saprolings get +1/+1.
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 Thelonite Hermit is turned face up, create four 1/1 green Saproling creature tokens.

Enchant creature
Enchanted creature has deathtouch and indestructible.
Morph—Sacrifice another creature. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
As Gift of Doom is turned face up, you may attach it to a creature.

Flying
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 Icefeather Aven is turned face up, you may return another target creature to its owner’s hand.

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 Willbender is turned face up, change the target of target spell or ability with a single target.

This spell can’t be countered.
Flying, trample, protection from white and from blue
: Akroma, Angel of Fury gets +1/+0 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.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever Broodhatch Nantuko is dealt damage, you may create that many 1/1 green Insect creature tokens.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Morph—Reveal a blue card in your hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Dragon’s Eye Savants is turned face up, look at target opponent’s hand.

Damage that would reduce your life total to less than 1 reduces it to 1 instead.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)