Sanyama Guardian

When Sanyama Guardian enters the battlefield
and whenever it deals combat damage to a player,
it deals 1 damage to creatures with lesser power.
Whenever a creature with 4 or greater power
enters the battlefield under an opponent's
control, you may pay 4 life and {r}{w}{b}. When
you do, return Sanyama Guardian from the
graveyard to the battlefield under your control.
Vigilance, Lifelink