Arcbound Ravager + Bolas's Citadel + Mortuary + Ornithopter

B identity

Commander legal

The 4 combo pieces

• Arcbound Ravager
• Bolas's Citadel
• Mortuary
• Ornithopter

How to execute it

1. Activate Arcbound Ravager by sacrificing Ornithopter
2. When Ornithopter dies, Mortuary triggers, putting Ornithopter from your graveyard onto the top of your library.
3. Resolve the Arcbound Ravager ability.
4. Cast Ornithopter from the top of your library by paying 0 life.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count