Sassy Gremlin Blood is a common Stickers card from Unfinity Sticker Sheets (SUNF), collector number 34. Current market price: $0.17, TCGplayer market prices via Scryfall.
{TK}{TK} — Whenever this creature attacks, create a Treasure token. {TK}{TK}{TK}{TK}{TK} — {3}: Target creature gains flying until end of turn. {TK}{TK} — 3/2 {TK}{TK}{TK}{TK}{TK}{TK} — 10/10