Wheel of Sun and Moon + Ashnod's Altar + Earthcraft + Growth-Chamber Guardian + Cathars' Crusade
Wheel of Sun and Moon
Ashnod's Altar
Earthcraft
Growth-Chamber Guardian
Cathars' Crusade
Infinite colorless manaInfinite death triggersInfinite creature ETBInfinite creature LTBInfinite creature sacrifice triggersInfinite storm countInfinite +1/+1 counters on creatures you control
How it works
Activate a basic Forest you control by tapping it, adding .
Cast Growth-Chamber Guardian by paying 1.
Growth-Chamber Guardian enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each of your creatures.
Growth-Chamber Guardian triggers, holding priority, activate Earthcraft by tapping Growth-Chamber Guardian, untapping a basic Forest you control.
Activate Ashnod's Altar by sacrificing Growth-Chamber Guardian, adding CC.
Wheel of Sun and Moon causes Growth-Chamber Guardian to be put on the bottom of your library instead of your graveyard.
Resolve the Growth-Chamber Guardian trigger from step 4, searching your library for Growth-Chamber Guardian and putting it into your hand.