Opposition Agent + Selective Memory + Sudden Substitution

Mana needed: {5}{U}{U}{U}

UB identity

Commander legal

The 3 combo pieces

• Opposition Agent
• Selective Memory
• Sudden Substitution

What must be in place

An opponent controls a creature.

How to execute it

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

What the combo produces

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