Emry, Lurker of the Loch | Phyrexian Altar | Genesis Chamber

(and one other card)

Emry in the command zone.
All other permanents on the battlefield.
Emry must be your commander.
You control a number of artifacts equal to or greater than two plus
Emry's commander tax.
({U} magic symbol) available.

At the beginning of your upkeep,
Court of Vantress triggers, either creating a token copy of
Genesis Chamber or causing
Court of Vantress to become a copy of
Genesis Chamber.
Cast
Emry from the command zone by paying ({U} magic symbol) .
When
Emry enters the battlefield, it and both
Genesis Chambers trigger.
Resolve the
Emry trigger, causing you to mill four cards.
Resolve both
Genesis Chamber triggers, creating two 1/1 Myr artifact creature tokens.
Activate
Phyrexian Altar by sacrificing
Emry, adding ({U} magic symbol) .
Choose to return
Emry to the command zone from your graveyard.
Repeat from step 2.