Survey Mechan + Mortuary + Ashnod's Altar + Chalk Outline + Queen Allenal of Ruadach

Survey Mechan

Mortuary

Ashnod's Altar

Chalk Outline

Queen Allenal of Ruadach

How it works

1. Activate Survey Mechan by sacrificing it.
2. When Survey Mechan dies, Mortuary triggers, putting Survey Mechan from your graveyard onto the top of your library.
3. Chalk Outline triggers, creating two creature tokens and a Clue token
4. Resolve the Survey Mechan ability, dealing 3 damage to any target and causing you to draw three cards and gain 3 life.
5. Activate Ashnod's Altar twice by sacrificing the two creature tokens, adding CCCC.
6. Cast Survey Mechan by paying 4.
7. Repeat.

This intricate loop transforms Survey Mechan into a self-sustaining engine by abusing its ability to return from the graveyard. While Ashnod's Altar provides the colorless mana needed to recast the Mechan after it sacrifices itself, Mortuary ensures the bird never stays in the graveyard by instantly placing it back on top of your library to be drawn again. Every single time Survey Mechan leaves your graveyard, Chalk Outline steps in to churn out extra creature and Clue tokens, providing both the sacrifice fodder for the Altar and a rising tide of permanent advantages. Finally, Queen Allenal of Ruadach supercharges your token generation by turning every Chalk Outline trigger into an avalanche of extra Detective and Soldier tokens, fueling the entire loop while scaling her own power and toughness to overwhelming heights.