Creature — Human Wizard 1/1, U (1)
Uncommon
Morph {U} (You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Timebender is turned face up, choose one — Remove two time counters from target permanent or suspended card; or put two time counters on target permanent with a time counter on it or suspended card.
Illus. Zoltan Boros & Gabor Szikszai

2/1/2007: The mode and target of the triggered ability are chosen when it's put on the stack.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern