Halo Fountain + Clever Conjurer + Phyrexian Altar
Halo Fountain
Clever Conjurer
Phyrexian Altar
Requires
Halo Fountain must be on the battlefield.
Clever Conjurer must be on the battlefield.
Phyrexian Altar must be on the battlefield.
Clever Conjurer does not have summoning sickness.
Mana needed: 
Steps
- Activate Clever Conjurer by tapping it, targeting Halo Fountain.
- Holding priority, activate Halo Fountain's first ability by paying , tapping it and untapping Clever Conjurer, creating a 1/1 Citizen creature token.
- Resolve the Clever Conjurer ability, untapping Halo Fountain.
- Activate Phyrexian Altar by sacrificing the Citizen token, adding .
- Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
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