Quicksilver Dragon - 103 R ONS

Flying
{U}: If target spell has only one target and that target is this creature, change that spell's target to another creature.
Morph {4}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

rare
Creature — Dragon
From the Magic: The Gathering set Onslaught.