Jaddi Lifestrider

Oracle Text

When Jaddi Lifestrider enters the battlefield, you may tap any number of untapped creatures you control. You gain 2 life for each creature tapped this way.

Card Rulings

6/15/2010 You don’t choose which creatures to tap until the ability resolves. You may tap Jaddi Lifestrider itself this way, assuming it’s still on the battlefield untapped by this time.