Switcheroo Combos

Switcheroo has been printed in Magic 2013, Battlebond, Core Set 2019, and has 3 combos.

Archfiend of the Dross + Heartless Act + Switcheroo

Combo result
Target opponent loses the game at the beginning of their next upkeep
Prerequisites

An opponent controls a creature. Archfiend of the Dross has no more than four oil counters on it.

Nekusar, the Mindrazer + Vilis, Broker of Blood + Switcheroo

Combo result
Target opponent loses the game. Infinite card draw. Infinite draw triggers. Near-infinite damage to target opponent.
Prerequisites

Switcheroo in hand. All permanents on the battlefield. An opponent controls a creature. {U} available.

Razorkin Needlehead + Switcheroo + Vilis, Broker of Blood

Combo result
Target opponent loses the game Near-infinite damage to target opponent Infinite card draw for target opponent Infinite draw triggers for target opponent
Prerequisites

An opponent controls a creature.