Infinite self-mill
Cast Mirror-Mad Phantasm by paying .
When Mirror-Mad Phantasm enters the battlefield, Unstable Shapeshifter triggers, causing Unstable Shapeshifter to become a copy of Mirror-Mad Phantasm until end of turn.
Activate Unstable Shapeshifter by paying , shuffling Unstable Shapeshifter into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.
Component Cards
How It Works
Cast Mirror-Mad Phantasm by paying .
When Mirror-Mad Phantasm enters the battlefield, Unstable Shapeshifter triggers, causing Unstable Shapeshifter to become a copy of Mirror-Mad Phantasm until end of turn.
Activate Unstable Shapeshifter by paying , shuffling Unstable Shapeshifter into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.