Infinite +1/+1 counters on most creatures you controlInfinite commander castsInfinite creature ETBInfinite creature LTBInfinite creature sacrifice triggersInfinite death triggersInfinite storm countInfinitely large creature until end of turn
How it works
Cast Dargo from the command zone by paying .
When Dargo enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
Activate Bloodthrone Vampire by sacrificing Dargo.
Choose to return Dargo from your graveyard to the command zone.
Resolve the Bloodthrone Vampire ability
Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding .