Orvar, the All-Form is a mythic Legendary Creature — Shapeshifter card from Kaldheim Promos (PKHM), collector number 70p. Current market price: $3.81 (foil $3.23), TCGplayer market prices via Scryfall.
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.