Chokepoint Obstructer

Battalion - Whenever Chokepoint Obstructer
and at least two other creatures attack, choose
a mode that hasn't been chosen yet, then trigger
all modes that have been chosen this game.
•Target creature gains indestructible until end
of turn.
•Tap target creature. Untap another target
creature.
•Put a +1/+1 counter on target creature.
{bull}Draw a card.