Dromar, the Banisher

{3}{W}{U}{B} · Legendary Creature — Dragon

Flying Whenever Dromar deals combat damage to a player, you may pay {2}{U}. If you do, choose a color, then return all creatures of that color to their owners' hands.

Motor: se resuelve a mano

Rulings (1)

You choose the color during resolution. This means your opponent does not get to react after knowing the color you chose.
Wizards of the Coast · 2004-10-04