Zada, Hedron Grinder is a rare Legendary Creature — Goblin Ally card from Battle for Zendikar Promos (PBFZ), collector number 162s. Current market price: — (foil $1.61), TCGplayer market prices via Scryfall.
Whenever you cast an instant or sorcery spell that targets only Zada, copy that spell for each other creature you control that the spell could target. Each copy targets a different one of those creatures.