Moritte of the Frost as a copy of the creature with persist.).
Steps
Activate
Ashnod's Altar by sacrificing
Moritte of the Frost, adding .
When
Moritte of the Frost dies, it triggers its persist ability, returning itself to the battlefield as a copy of the creature with persist with two +1/+1 counters and one -1/-1 counter on it.
Remove one +1/+1 counter and one -1/-1 counter from
Moritte of the Frost as a state-based action.
Repeat.
Results
Infinite colorless mana.
Infinite death triggers.
Infinite creature ETB.
Infinite creature LTB.
Infinite creature sacrifice triggers.
Metadata
Bracket tag
SpicyBracket 3-4+
Probably 3 or 4, but hard to classify
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1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.