Requires

Tayam, Luminous Enigma must be on the battlefield. Cathodion must be on the battlefield. Golgari Germination must be on the battlefield. Bartolomé del Presidio must be on the battlefield. There are at least three counters among creatures you control. Mana needed:

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 Golgari Germination trigger.
4. Resolve the Cathodion trigger, adding .
5. Resolve the Golgari Germination trigger, creating a 1/1 Saproling creature token that enters the battlefield with a vigilance counter due to Tayam.
6. Resolve the Bartolomé del Presidio ability, putting a +1/+1 counter on it.
7. 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.
8. Repeat.

Results