Cobra Trap is a uncommon Instant — Trap card from Commander 2015 (C15), collector number 180. Current market price: $0.24, TCGplayer market prices via Scryfall.
If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay this spell's mana cost. Create four 1/1 green Snake creature tokens.