Long Feng, Grand Secretariat + Carrion Feeder + 2x Persist Creature

Prerequisites

• One of the persist creatures does not have a -1/-1 counter on it.
• 2x Persist Creature

Steps

1. 1Activate Carrion Feeder by sacrificing a persist creature that doesn't have a -1/-1 counter on it.
2. 2When the creature dies, its persist ability and Long Feng trigger.
3. 3Resolve the Long Feng trigger, putting a +1/+1 counter on the other persist creature.
4. 4Resolve the persist trigger, returning the creature from your graveyard to the battlefield with a -1/-1 counter on it.
5. 5Resolve the Carrion Feeder ability.
6. 6Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers