Prerequisites
- Teshar, Ancestor's Apostle on the battlefield
- Codex Shredder in hand
- Extruder on the battlefield
- Foundry Inspector on the battlefield
- Myr Retriever in the graveyard
Steps
- Cast Codex Shredder by paying
- Teshar triggers, returning Myr Retriever from your graveyard to the battlefield
- Activate Codex Shredder by tapping it, causing target player to mill one card
- Activate Extruder by sacrificing Codex Shredder, putting a +1/+1 counter on any target creature
- Activate Extruder by sacrificing Myr Retriever, putting a +1/+1 counter on any target creature
- Myr Retriever triggers, returning Codex Shredder from your graveyard to your hand
- Repeat
Results
- Infinite +1/+1 counters
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite mill
- Infinite sacrifice triggers
Required Cards 5

Teshar, Ancestor's Apostle
Legendary Creature — Bird Cleric


Extruder
Artifact Creature — Juggernaut

Foundry Inspector
Artifact Creature — Construct

Myr Retriever
Artifact Creature — Myr