Simian Grunts is a common Creature — Ape card from Urza's Legacy (ULG), collector number 113. Current market price: $0.14 (foil $2.17), TCGplayer market prices via Scryfall.
Flash Echo {2}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)