Ashnod's Altar + Concordant Crossroads + Cryptolith Rite + and 2 others

GW identity

Commander legal

The 5 combo pieces

• Ashnod's Altar
• Concordant Crossroads
• Cryptolith Rite
• Emmara, Soul of the Accord
• Umbral Mantle

What must be in place

Umbral Mantle attached to Emmara, Soul of the Accord.

How to execute it

1. Use Cryptolith Rite to tap Emmara, Soul of the Accord for {1}.
2. Emmara, Soul of the Accord triggers creating a token creature.
3. Use Cryptolith Rite to tap the token creature for {1}.
4. Sacrifice the token creature to Ashnod's Altar floating {2}.
5. Activate Umbral Mantle to untap Emmara, Soul of the Accord.
6. Repeat.

What the combo produces

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