All Might, Symbol of Peace

Whenever a Warrior attacks, you may have
its controller create a 1/1 white Hero creature
token that's tapped and attacking.
{w}{u}{b}{r}{g}: Untap all attacking creatures.
They gain trample, lifelink, and haste until
the end of turn. After this phase, there is an
additional combat phase. Activate this
ability only during combat.