Ashnod's Altar + Mazirek, Kraul Death Priest + Putrid Goblin

BG identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Mazirek, Kraul Death Priest
• Putrid Goblin

What must be in place

Putrid Goblin does not have a -1/-1 counter on it.

How to execute it

1. Activate Ashnod's Altar by sacrificing Putrid Goblin, adding {C}{C}.
2. Putrid Goblin dies, triggering its persist ability and Mazirek.
3. Resolve the Putrid Goblin trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4. Resolve the Mazirek trigger, putting a +1/+1 counter on each creature you control.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on most creatures you control
• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers