Blood Speaker + Bone Miser + Maskwood Nexus + Mind Over Matter

UB identity

Commander legal

The 4 combo pieces

• Blood Speaker
• Bone Miser
• Maskwood Nexus
• Mind Over Matter

How to execute it

1. Activate Mind over Matter by discarding Blood Speaker.
2. Bone Miser's first ability triggers, creating a 2/2 Zombie creature token that enters the battlefield as a Demon due to Maskwood Nexus.
3. Blood Speaker's second ability triggers, returning itself to your hand from your graveyard.
4. Resolve the Mind over Matter ability, untapping target artifact, land or creature.
5. Repeat.

What the combo produces

• Infinite creature tokens
• Infinite ETB
• Infinite mana permanents you control can produce
• Infinite self-discard triggers