Opposition Agent + Hive Mind + Selective Memory

Prerequisites

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Steps

1. 1Cast Selective Memory by paying .
2. 2Hive Mind triggers, causing each opponent to copy Selective Memory.
3. 3Resolve an opponent's Selective Memory, causing you to search their library for all nonland cards and exile them due to Opposition Agent, with the ability to play them from exile.
4. 4Repeat step 3 for each remaining opponent.
5. 5Resolve your Selective Memory, exiling nothing from your library.

Effects

• Cast any number of spells from opponents' libraries
• Exile all nonland cards from opponents' libraries
• Lock