Unique Charmed Pants is a common Stickers card from Unfinity Sticker Sheets (SUNF), collector number 38. Current market price: $0.22, TCGplayer market prices via Scryfall.
{TK}{TK} — {T}: Add one mana of any color. {TK}{TK}{TK} — Whenever this creature attacks, if it's not a Brushwagg, it gets +X/+0 until end of turn, where X is the number of supertypes, card types, and subtypes it has. {TK}{TK} — 5/1 {TK}{TK}{TK}{TK} — 4/8