Infinite mana lands you control can produce, Infinite untap of lands you control
Activate Mishra's Factory's second ability by paying , causing it to become a 2/2 Aseembly-Worker artifact creature in addition to its other types.
Cast Exchange of Words by paying .
When Exchange of Words enters the battlefield, it triggers, exchanging the text boxes of Ley Weaver and Mishra's Factory.
Activate Mishra's Factory by tapping it, untapping itself and any other land you control.
Repeat step 4.
Component Cards
How It Works
Activate Mishra's Factory's second ability by paying , causing it to become a 2/2 Aseembly-Worker artifact creature in addition to its other types.
Cast Exchange of Words by paying .
When Exchange of Words enters the battlefield, it triggers, exchanging the text boxes of Ley Weaver and Mishra's Factory.
Activate Mishra's Factory by tapping it, untapping itself and any other land you control.
Repeat step 4.