Gogo, Mysterious Mime is a rare Legendary Creature — Wizard card from Final Fantasy Commander (FIC), collector number 56. Current market price: $1.08, TCGplayer market prices via Scryfall.
At the beginning of combat on your turn, you may have Gogo become a copy of another target creature you control until end of turn, except its name is Gogo, Mysterious Mime. If you do, Gogo and that creature each get +2/+0 and gain haste until end of turn and attack this turn if able.