Runeflare Trap
If an opponent drew three or more cards this turn, you may pay {R} 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 (4)
Oct 1, 2009 · Effects that increase or reduce the cost to cast a Trap will apply to whichever cost you chose to pay.
Oct 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.
Oct 1, 2009 · Casting a Trap by paying its alternative cost doesn't change its mana cost or mana value. The only difference is the cost you actually pay.
Oct 1, 2009 · The player you target with Runeflare Trap doesn't have to be the opponent that drew three or more cards this turn.