Requires

Wheel of Sun and Moon must be on the battlefield. Ashnod's Altar must be on the battlefield. Earthcraft must be on the battlefield. Growth-Chamber Guardian must be in hand. Cathars' Crusade must be on the battlefield. Wheel of Sun and Moon attached to yourself. You control a basic Forest. Mana needed:

Steps

1. Activate a basic Forest you control by tapping it, adding .
2. Cast Growth-Chamber Guardian by paying .
3. Growth-Chamber Guardian enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each of your creatures.
4. Growth-Chamber Guardian triggers, holding priority, activate Earthcraft by tapping Growth-Chamber Guardian, untapping a basic Forest you control.
5. Activate Ashnod's Altar by sacrificing Growth-Chamber Guardian, adding .
6. Wheel of Sun and Moon causes Growth-Chamber Guardian to be put on the bottom of your library instead of your graveyard.
7. Resolve the Growth-Chamber Guardian trigger from step 4, searching your library for Growth-Chamber Guardian and putting it into your hand.
8. Repeat.

Results