2011-09-22 : No matter which mode you choose, Skinshifter will cease to have any creature types it previously had. If you activate its ability choosing the first mode, it will become only a Rhino; it’s no longer a Human or a Shaman.

2011-09-22 : No matter which mode you choose, Skinshifter will retain any other card types it may have. For example, if an effect causes Skinshifter to be an artifact in addition to its other types and you activate its ability choosing the first mode, it will be both an artifact and a Rhino creature.

2011-09-22 : Skinshifter’s ability doesn’t affect its copiable values. Creatures that enter the battlefield as a copy of Skinshifter will enter as 1/1 Human Shaman creatures.

2011-09-22 : Skinshifter’s ability doesn’t cause it to lose any other abilities it may have.

2011-09-22 : You can activate Skinshifter’s ability during any player’s turn, but only once on each turn.

2011-09-22 : You choose the ability’s mode when you activate it.