Infinite colored mana, Infinite ETB, Infinite LTB, Infinite storm count
Cast Turnabout by paying , targeting any land you control.
Holding priority, cast Dualcaster Mage by paying .
Dualcaster Mage enters the battlefield, copying Turnabout.
Holding priority, activate Riptide Laboratory by paying and tapping it, returning Dualcaster Mage to your hand.
Resolve the Turnabout copy, untapping all lands you control.
Repeat from step 2.
Component Cards
How It Works
Cast Turnabout by paying , targeting any land you control.
Holding priority, cast Dualcaster Mage by paying .
Dualcaster Mage enters the battlefield, copying Turnabout.
Holding priority, activate Riptide Laboratory by paying and tapping it, returning Dualcaster Mage to your hand.
Resolve the Turnabout copy, untapping all lands you control.
Repeat from step 2.