Stone-Cold Basilisk is a uncommon Creature — Basilisk card from Unhinged (UNH), collector number 112. Current market price: $0.42 (foil $4.00), TCGplayer market prices via Scryfall.
Whenever this creature blocks or becomes blocked by a creature with fewer letters in its name, destroy that creature at end of combat. (Punctuation and spaces aren't letters.) Whenever an opponent reads this creature, that player is turned to stone until end of turn. Stoned players can't attack, block, cast spells, or activate abilities.