Ashnod's Altar, Mortician Beetle, Putrid Goblin, and Tayam, Luminous Enigma

Prerequisites

• Ashnod's Altar on the battlefield
• Mortician Beetle on the battlefield
• Putrid Goblin on the battlefield
• Tayam, Luminous Enigma on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Putrid Goblin, adding
2. Putrid Goblin's persist ability and Mortician Beetle trigger
3. Resolve the Putrid Goblin trigger, returning it from your graveyard to the battlefield with a -1/-1 and a vigilance counter
4. Resolve the Mortician Beetle trigger, putting a +1/+1 counter on it
5. Activate Tayam by paying , removing a +1/+1 counter from Mortician Beetle and removing both counters from Putrid Goblin
6. Holding priority, activate Ashnod's Altar by sacrificing Putrid Goblin, adding
7. Putrid Goblin's persist ability and Mortician Beetle trigger
8. Resolve the Putrid Goblin trigger, returning it from your graveyard to the battlefield with a -1/-1 and a vigilance counter
9. Resolve the Mortician Beetle trigger, putting a +1/+1 counter on it
10. Activate Ashnod's Altar by sacrificing Putrid Goblin, adding
11. Mortician Beetle triggers, putting a +1/+1 counter on itself
12. Resolve the Tayam ability from step 5, causing yourself to mill three cards and return Putrid Goblin from your graveyard to the battlefield
13. Repeat

Results

• Infinite +1/+1 counters on Mortician Beetle
• 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 library and graveyard onto the battlefield