The Wanderer, Cosmic Entity

Ward: Pay 2 Life or {2}, Flying, Vigilance

If your Ward cost was paid, Target Creature, if the Creature is White, give it +1/+1, Vigilance, and
Untap it. If the Creature is Blue, give it +1/+1, Flying, and Draw a Card. If the Creature is not White or Blue, Return it to it's owners hand.

You may attach The Wanderer, Cosmic Entity to Target Creature as an Enchantment when played, it has +2/+2, Flying and Vigilance this way. When either is destroyed, Return this card to your hand.