Persist Creature does not have a -1/-1 counter on it.
You control your commander.
Steps
Activate
Umbral Collar Zealot by sacrificing the
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Persist Creature.
When the
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Persist Creature dies, it triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to your commander's ability granted to it by
Master Chef.
Resolve the
Umbral Collar Zealot ability.
Repeat.
Results
Infinite creature LTB.
Infinite creature ETB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Infinite surveil.
Metadata
In 555 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).