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PDermoplasm
Dermoplasm
Creature — ShapeshifterLGNrare
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 this creature is turned face up, you may put a creature card with a morph ability from your hand onto the battlefield face up. If you do, return this creature to its owner's hand.
1/1
Rulings2
2014-11-24A face-down creature has a mana value of 0. However, its mana value changes when it's turned face up. Thus, if a creature is turned face up in response to being targeted by Noxious Dragon's ability, it may become an illegal target.
2020-11-10If a creature on the battlefield has {X} in its mana cost, X is considered to be 0.