Peacemaker Atallia

When Peacemaker Atallia enters the battlefield
you gain X life where X is the number of
creatures you control.
When Peacemaker Atallia attacks, each player
chooses one:
• gain 3 life
• draw a card
{2}{g}{w}{t}: Creatures you control get +1/+2 and
gain vigilance and reach until your next turn.