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.
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AMONKHET
AETHER REVOLT
KALADESH 
COMMANDER 2016
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