Undercellar Myconid + Enduring Renewal + Phyrexian Altar

Undercellar Myconid

Enduring Renewal

Phyrexian Altar

How it works

1. Activate Phyrexian Altar by sacrificing Undercellar Myconid, adding .
2. Undercellar Myconid dies, triggering itself and Enduring Renewal.
3. Resolve the Undercellar Myconid trigger, creating a 1/1 Saproling creature token.
4. Resolve the Enduring Renewal trigger, returning Undercellar Myconid from your graveyard to your hand.
5. Activate Phyrexian Altar by sacrificing the Saproling token, adding 1.
6. Cast Undercellar Myconid by paying 2.
7. Undercellar Myconid enters the battlefield, creating a 1/1 Saproling creature token.
8. Activate Phyrexian Altar by sacrificing the Saproling token, adding 1.
9. Repeat.