Kiki-Jiki, Mirror Breaker is a mythic Legendary Creature — Goblin Shaman card from Modern Masters 2015 (MM2), collector number 121. Current market price: $20.02 (foil $19.10), TCGplayer market prices via Scryfall.
Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.