Illuminor Szeras + Nim Deathmantle + Umbral Mantle

B identity

Commander legal

The 3 combo pieces

• Illuminor Szeras
• Nim Deathmantle
• Umbral Mantle

What must be in place

You control a nontoken creature with mana value eight or greater.
Illuminor Szeras does not have summoning sickness.
Umbral Mantle attached to Illuminor Szeras.

How to execute it

1. Activate Illuminor Szeras by tapping it and sacrificing another creature with mana value eight or greater, adding at least eight {B}.
2. When the creature dies, Nim Deathmantle triggers, causing you to pay {4} to return the creature from your graveyard to the battlefield, and attach Nim Deathmantle to it.
3. Activate Illuminor Szeras by paying {3} and untapping it, giving it +2/+2 until end of turn.
4. Repeat.

What the combo produces

• Infinite black mana
• Infinite creature LTB
• 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