Armadilha de Balesta

Text:

Se houver uma criatura preta com voar atacando, você poderá pagar em vez de pagar o custo de mana de Armadilha de Balesta.
Destrua a criatura atacante alvo com voar.

Rulings:

• 3/1/2010 If you cast Slingbow Trap for <img src="/Handlers/Image.ashx?size=small&amp;name=G&amp;type=symbol" alt="Green" align="absbottom" />, you may target any attacking creature with flying, not just a black one.
• 3/1/2010 An “attacking creature” is one that has been declared as an attacker this combat, or one that was put onto the battlefield attacking this combat. Unless that creature leaves combat, it continues to be an attacking creature through the end of combat step, even if the player it was attacking has left the game, or the planeswalker it was attacking has left combat.