Balvazar, Avatar of Silver

Flying, Vigilance, Menace, Trample
Ward:{3}
At the beginning of each opponent’s upkeep, Balvazar deals 2 damage to that player unless they sacrifice a creature.
{w}{u}{b}{r}{g}Untap all attacking creatures. They
gain trample, lifelink, and haste until end of turn.
After this phase, there is an additional combat
phase. Activate only during combat.