Kiki-Jiki, Mirror Breaker is a rare Legendary Creature — Goblin Shaman card from The List (PLST), collector number CHK-175. Current market price: $14.73, 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.