Tayam, Luminous Enigma, Necrosynthesis, Ashnod's Altar, and Putrid Goblin

Prerequisites

• Tayam, Luminous Enigma on the battlefield
• Necrosynthesis on the battlefield
• Ashnod's Altar on the battlefield
• Putrid Goblin on the battlefield
• Necrosynthesis attached to Tayam
• available

Steps

1. Activate Ashnod's Altar by sacrificing Putrid Goblin, adding
2. Putrid Goblin dies, triggering its persist ability and Necrosynthesis
3. Resolve the Putrid Goblin trigger, returning it from your graveyard to the battlefield with a -1/-1 counter and a vigilance counter on it
4. Resolve the Necrosynthesis trigger, putting a +1/+1 counter on Tayam
5. Activate Tayam by paying , removing a +1/+1 counter from Tayam, and both counters from Putrid Goblin
6. Holding priority, activate Ashnod's Altar by sacrificing Putrid Goblin, adding
7. Repeat steps 2-4 one additional time
8. Activate Ashnod's Altar by sacrificing Putrid Goblin, adding
9. Resolve Tayam's ability from step 5, causing you to mill three cards and returning Putrid Goblin from your graveyard to the battlefield
10. Repeat

Results

• Infinite +1/+1 counters on Tayam
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-mill
• Put all permanents with mana value three or less from your graveyard and library onto the battlefield