Opposition Agent + Sudden Substitution + Selective Memory

Prerequisites

• An opponent controls a creature.

Steps

1. 1Cast Selective Memory by paying .
2. 2Holding priority, cast Sudden Substitution by paying , exchanging control of Selective Memory and target creature an opponent controls.
3. 3Resolve Selective Memory, choosing to have the opponent exile all nonland cards in their library due to Opposition Agent.

Effects

• Exile all nonland cards from target opponent's library, with the ability for you to play them from exile