Radiant Performer + In Bolas's Clutches + Mirror Box

Prerequisites

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Steps

1. 1Cast In Bolas's Clutches by , targeting any permanent on the battlefield.
2. 2Holding priority, cast Radiant Performer by paying .
3. 3Radiant Performer enters the battlefield, creating a copy of In Bolas's Clutches for each other permanent on the battlefield.
4. 4Resolve each In Bolas's Clutches, causing you to gain control of all permanents.

Effects

• Gain control of all permanents
• Mass Land Denial