Tayam, Luminous Enigma, Cathodion, Bartolomé del Presidio, and Ogre Slumlord

Prerequisites

• Tayam, Luminous Enigma on the battlefield
• Cathodion on the battlefield
• Bartolomé del Presidio on the battlefield
• Ogre Slumlord on the battlefield
• available

Steps

1. Activate Tayam by paying and removing three counters from creatures you control
2. Holding priority, activate Bartolomé del Presidio by sacrificing Cathodion
3. When Cathodion dies, it and Ogre Slumlord trigger Resolve the Cathodion trigger, adding
4. Resolve the Ogre Slumlord trigger, creating a 1/1 Rat creature token that enters the battlefield with a vigilance counter due to Tayam
5. Resolve the Bartolomé del Presidio, putting a +1/+1 counter on Bartolomé del Presidio Resolve the Tayam ability from step 1, causing you to mill three cards and return Cathodion from your graveyard to the battlefield with a vigilance counter on it
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers
• Infinite self-mill