Chromeshell Crab
Description
Morph 4U (You may play this face down as a 2/2 creature for 3. 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.
When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.