Lunar Avenger

Oracle Text

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

Remove a +1/+1 counter from Lunar Avenger: Lunar Avenger gains your choice of flying, first strike, or haste until end of turn.

Card Rulings

12/1/2004 You choose whether Lunar Avenger gains flying, first strike, or haste when the activated ability resolves.