Ho-Oh, The Rainbow

Flying, protection from green
When Ho-Oh leaves the battlefield, gain 3 life.
{2}{r}, {t}: Ho-Oh deals 2 damage to target creature. Untap Ho-Oh.
{3}, {t}: Ho-oh deals 2 damage to target creature
or player.
{3}{r}, {t}: Ho-Oh deals 3 damage to target player. Put a +1/+1 counter on it.
{5}{w}, {t}: The next time Ho-Oh attacks, double its power until end of turn.