Wheel of Sun and Moon + Phyrexian Altar + Earthcraft + Squadron Hawk

Wheel of Sun and Moon

Phyrexian Altar

Earthcraft

Squadron Hawk

How it works

1. Cast Squadron Hawk by paying 1.
2. Squadron Hawk enters the battlefield, triggering itself.
3. Holding priority, activate Earthcraft by tapping Squadron Hawk, untapping a basic land.
4. Activate the basic land by tapping it, adding 1.
5. Activate Phyrexian Altar by sacrificing Squadron Hawk, adding .
6. Squadron Hawk is put on the bottom of your library instead of your graveyard due to Wheel of Sun and Moon.
7. Resolve the Squadron Hawk trigger from step 2, searching your library for Squadron Hawk and putting it into your hand.
8. Repeat.