Legendary Creature — Dragon 6/6, 3BRG (6)
Rare
Flying
Whenever Darigaaz, the Igniter deals combat damage to a player, you may pay {2}{R}. If you do, choose a color, then that player reveals his or her hand and Darigaaz deals damage to the player equal to the number of cards of that color revealed this way.
Illus. Mark Zug

10/4/2004: You choose the color during resolution. This means your opponent does not get to react after knowing the color you chose.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander