Holy Dread's March

Tap target ally creature. The caster may choose when to untap them. When they are untapped, consume all {e} on the creature, granting +1/+1 for each {e} consumed and Warband {t} (Summon a copy of this creature token with -2/-2 which also has Warband {t}. If their Power or Toughness is reduced below 0 by Warband, change it to 1.)
At the beginning of each upkeep step, target enchanted creature gains {e}