Carnival Elephant Meteor is a common Stickers card from Unfinity Sticker Sheets (SUNF), collector number 7. Current market price: $0.22, TCGplayer market prices via Scryfall.
{TK}{TK} — Sacrifice this permanent: Draw two cards. {TK}{TK}{TK} — Whenever this creature attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) {TK}{TK} — 4/1 {TK}{TK}{TK}{TK}{TK} — 8/7