Cogwork Assembler + Su-Chi Cave Guard + Altar of Dementia
Cogwork Assembler
Su-Chi Cave Guard
Altar of Dementia
Requires
Cogwork Assembler must be on the battlefield.
Su-Chi Cave Guard must be on the battlefield.
Altar of Dementia must be on the battlefield.
Mana needed: 
Steps
- Activate Cogwork Assembler by paying , creating a token copy of Su-Chi Cave Guard with haste.
- Activate Altar of Dementia by sacrificing the Su-Chi Cave Guard token.
- When Su-Chi Cave Guard dies, it triggers, adding eight .
- Resolve the Altar of Dementia ability, causing target player to mill cards equal to Su-Chi Cave Guard's power.
- Repeat.
- Once you have infinite mana, you may repeat step 1 targeting any artifact you control.
Results
Infinite colorless mana. Infinite copies of artifacts you control. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers. Infinite self-mill.
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