Summoning Trap [ZEN - 184]

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.

Rarity: Rare

#: 184

Card Type: Instant, Instant — Trap

Card Color: G

Casting Cost: {4}{G}{G}