Goblin Coward Parade is a common Stickers card from Unfinity Sticker Sheets (SUNF), collector number 17. Current market price: $0.21, TCGplayer market prices via Scryfall.
{TK}{TK} — Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) {TK}{TK}{TK} — When this permanent leaves the battlefield, you may destroy target creature with power 4 or greater. {TK}{TK} — 2/3 {TK}{TK}{TK}{TK} — 8/4