Cloudstone Curio + Phyrexian Dreadnought + Phyrexian Altar + Life Finds a Way

Cloudstone Curio

Phyrexian Dreadnought

Phyrexian Altar

Life Finds a Way

How it works

1. Cast Phyrexian Dreadnought by paying 1.
2. When Phyrexian Dreadnought enters the battlefield, it and Life Finds a Way trigger.
3. Resolve the Life Finds a Way trigger, creating a copy of any nonartifact creature token you control.
4. When the creature token enters the battlefield, Cloudstone Curio triggers, returning Phyrexian Dreadnought to your hand from the battlefield.
5. Resolve the Phyrexian Dreadnought trigger from sttep 2, doing nothing.
6. Activate Phyrexian Altar by sacrificing a creature token, adding 1.
7. Repeat.