Wheel of Sun and Moon + Ashnod's Altar + Earthcraft + Squadron Hawk

Wheel of Sun and Moon

Ashnod's Altar

Earthcraft

Squadron Hawk

How it works

1. Cast Squadron Hawk by paying 1.
2. When Squadron Hawk enters the battlefield, it triggers.
3. In response to this trigger, activate Earthcraft by tapping Squadron Hawk, untapping a basic Plains you control.
4. Activate the Plains by tapping it, adding .
5. Activate Ashnod's Altar by sacrificing Squadron Hawk and putting it on the bottom of your library, adding CC.
6. Resolve Squadron Hawk's trigger, searching your library for a card named Squadron Hawk and putting it into your hand.
7. Repeat.