Rallos Zek, Warbringer

Haste, Vigilance, Indestructible
Whenever Rallos Zek enters the battlefield and at the beginning of each
upkeep Goad each other creature.
Double the power of Rallos Zek at the beginning of your precombat main phase.
Drums of War — Attacking creatures you control receive +X/+X for each other attacking creature.