Armadilha de Bola de Lava

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Se um oponente teve dois ou mais terrenos que entraram no campo de batalha sob o controle dele neste turno, você pode pagar em vez de pagar o custo de mana de Armadilha de Bola de Lava.
Destrua dois terrenos alvo. Armadilha de Bola de Lava causa 4 pontos de dano a cada criatura.

Rulings:

• 10/1/2009 You may ignore a Trap’s alternative cost condition and simply cast it for its normal mana cost. This is true even if its alternative cost condition has been met.
• 10/1/2009 Casting a Trap by paying its alternative cost doesn’t change its mana cost or converted mana cost. The only difference is the cost you actually pay.
• 10/1/2009 Effects that increase or reduce the cost to cast a Trap will apply to whichever cost you chose to pay.
• 10/1/2009 You may target any two lands, not just ones that entered the battlefield this turn.
• 10/1/2009 All creatures are dealt damage, not just ones controlled by the targeted lands’ controller(s).
• 10/1/2009 If both targeted lands are illegal targets by the time Lavaball Trap resolves, the entire spell doesn’t resolve. No creatures are dealt damage.