Summoning Trap - Zendikar - 184

Instant — Trap

Mana Cost: {4}{G}{G}

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.

Rare · Zendikar · #184 (ZEN)

Illustrated by Kieran Yanner