Urza, Lord High Artificer + Corridor Monitor + Retraction Helix + 1 more
Infinite ETB, Infinite LTB, Infinite storm count
Declare Cheering Fanatic as an attacker. When it triggers, choose to name "Corridor Monitor".
Cast Retraction Helix by paying , targeting a creature you control that doesn't have summoning sickness.
Cast Corridor Monitor by paying due to Cheering Fanatic.
When Corridor Monitor enters, it triggers, untapping the creature targeted by Retraction Helix.
Activate Urza's first ability by tapping Corridor Monitor, adding .
Activate the creature targeted by Retraction Helix by tapping it, retu
Component Cards
How It Works
Declare Cheering Fanatic as an attacker
When it triggers, choose to name "Corridor Monitor".
Cast Retraction Helix by paying , targeting a creature you control that doesn't have summoning sickness.
Cast Corridor Monitor by paying due to Cheering Fanatic.
When Corridor Monitor enters, it triggers, untapping the creature targeted by Retraction Helix.
Activate Urza's first ability by tapping Corridor Monitor, adding .
Activate the creature targeted by Retraction Helix by tapping it, returning Corridor Monitor from the battlefield to your hand.
Repeat from step 3



