Sidisi, Regent of the Mire + Karmic Guide + Yahenni, Undying Partisan + Giant-Sized Flying Ant

Sidisi, Regent of the Mire

Karmic Guide

Yahenni, Undying Partisan

Giant-Sized Flying Ant

How it works

1. Activate Sidisi by tapping it and sacrificing Giant-Sized Flying Ant, returning Karmic Guide from your graveyard to the battlefield.
2. When Karmic Guide enters the battlefield, it triggers, returning Giant-Sized Flying Ant from your graveyard to the battlefield.
3. When Giant-Sized Flying Ant enters the battlefield, it triggers, untapping Sidisi.
4. Activate Yahenni by sacrificing Karmic Guide.
5. Repeat.

This clever loop revolves around Sidisi, Regent of the Mire acting as a necromancer, sacrificing Giant-Sized Flying Ant to pull Karmic Guide straight out of your graveyard. As Karmic Guide enters the battlefield, its triggered ability immediately brings the Giant-Sized Flying Ant right back, while the Ant's own entry trigger untaps Sidisi so the entire cycle can begin anew. Meanwhile, Yahenni, Undying Partisan stands ready to consume Karmic Guide when needed, turning this perpetual motion machine into an endless fountain of creature entry, death, and sacrifice triggers.