Infinite creature LTBInfinite creature ETBInfinite creature sacrifice triggersInfinite death triggersInfinite storm countInfinite commander castsInfinite scry 1Infinite +1/+1 counters on most creatures you control
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 Viscera Seer by sacrificing Dargo.
Choose to return Dargo from your graveyard to the command zone.
Resolve the Viscera Seer ability, causing you to scry 1.
Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding .