Runeflare Trap

Text:

If an opponent drew three or more cards this turn, you may pay rather than pay this spell's mana cost.
Runeflare Trap deals damage to target player equal to the number of cards in that player's hand.

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 The player you target with Runeflare Trap doesn’t have to be the opponent that drew three or more cards this turn.