Aurelia, Valkyrie of War

+1: Put a 1/1 red and white Soldier creature token with first strike onto the battlefield. Target creature gets vigilance until end of turn.
0: During your declare attackers phase this turn, if all creatures you control are attacking, put a +1/+1 counter on each creature you control.
-7: You get an emblem with, "At the beginning of your upkeep, up to three creatures you control get mentor until end of turn."