Rælin Ræthran

Double strike, Reach
•Landfall — Raelin perpetually gains +1/+1
•When Raelin enters the battlefield, Raelin deals X damage to target creature or Planeswalker, where X is Raelin's Power.
•When Raelin becomes blocked, you may
spend {g}{w}. If you do, Raelin phases out and enters
the battlefield at the end of your end step.
{bull}{g}{g}{w}{w}, {t}: Raelin deals X damage to any
target, where X is Raelin's Power.