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

(and one other card)

You control a number of artifacts equal to or greater than two plus
Emry's commander tax.
You have enough mana to cast
Echo Storm.

Cast
Echo Storm by paying its mana cost, creating a token 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.