Kiki-Jiki, Mirror Breaker is a rare Legendary Creature — Goblin Shaman card from Champions of Kamigawa (CHK), collector number 175. Current market price: $17.47 (foil $130.38), 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.