Orvar, the All-Form is a mythic Legendary Creature — Shapeshifter card from Magic Online Promos (PRM), collector number 88234.
Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.