Signalfire

Creatures gain haste until end of turn.
Signalfire deals 3 damage to target opponent.
Until end of turn, creatures attacking that
opponent gain first strike.
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Such was the warriors' fervor that when the signal
fire was lit, they stormed out without hesitation; or the
realization they were attacking their own comrades.