Act of Authority

Target player draws four cards.

Each player draws two cards.

Flying 1GU: Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Whenever you gain life, put a +1/+1 counter on this creature.

Flying When this creature enters, exile target player's graveyard.

Flying, vigilance

This creature can't be blocked. When this creature enters, you gain 4 life. When this creature enters, sacrifice it unless U was spent to cast it.

Whenever you gain life, you may pay 1W. If you do, put a +1/+1 counter on target creature for each 1 life you gained.