The Master and Bartolomé del Presidio on the battlefield.
Persist Creature and Undying Creature in exile.
Both the persist and undying creatures are in exile with at least one takeover counter on them.
The Master on the battlefield as a copy of either the persist or undying creature.
The Master does not have a +1/+1 counter on it if it is a copy of the undying creature, or a -1/-1 counter on it otherwise.
Steps
Activate Bartolomé del Presidio by sacrificing The Master.
When The Master dies, if it was a copy of the undying creature, its undying ability triggers, returning it from your graveyard to the battlefield as a copy of the persist creature with a +1/+1 counter on it.
Otherwise, if The Master was a copy of the persist creature, its persist ability triggers, returning it from your graveyard to the battlefield as a copy of the undying creature with a -1/-1 counter on it.
Resolve the Bartolomé del Presidio ability, putting a +1/+1 counter on it.
Repeat.
Results
Infinite LTB.
Infinite ETB.
Infinite sacrifice triggers.
Infinite death triggers.
Infinite +1/+1 counters on Bartolomé del Presidio.