Daretti, Rocketeer Engineer + Genesis Chamber + Phyrexian Metamorph

Daretti, Rocketeer Engineer

Genesis Chamber

Phyrexian Metamorph

How it works

1. Cast Daretti by paying 4.
2. When Daretti enters the battlefield, it and Genesis Chamber trigger.
3. Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
4. Resolve the Daretti trigger, causing you to sacrifice the Myr to return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Daretti.
5. Put Phyrexian Metamorph into your graveyard due to the legend rule.
6. Phyrexian Metamorph and Genesis Chamber trigger.
7. Resolve the Genesis Chamber trigger, creating a 1/1 Myr artifact creature token.
8. Resolve the Phyrexian Metamorph trigger, causing you to sacrifice the Myr to return Phyrexian Metamorph from your graveyard to the battlefield as a copy of Daretti.
9. Repeat.