Lost Stone (C)

[Set] (This card remains on the field.) Abilities of all 《Dimension Dragon》 on your field cannot be nullified by your opponent's card effects, and they get power+2000 and get defense+2000! [Counter] 【Act】 You may drop a 《Dimension Dragon》 from your hand. If you do, for this turn, the next damage you take is reduced by 3. This ability only activates once per turn.