name: Summoning Trap
originalText: If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay Summoning Trap's mana cost.
  Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.
printings: MM3, ZEN
text: If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost.
  Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.
type: Instant — Trap