Ashnod's Altar + Krenko, Mob Boss + Umbral Mantle

R identity

Commander legal

The 3 combo pieces

• Ashnod's Altar
• Krenko, Mob Boss
• Umbral Mantle

What must be in place

You control at least two Goblins.

How to execute it

1. Activate Krenko by tapping it, creating at least two 1/1 Goblin creature tokens.
2. Activate Ashnod's Altar twice by sacrificing two Goblin tokens, adding {C}{C}{C}{C}.
3. Activate Krenko by paying {3} and untapping it, giving it +2/+2 until end of turn.
4. Repeat.

What the combo produces

• Infinite colorless mana
• Infinite creature LTB
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control
• Infinitely large creature until end of turn