Glissa, the Traitor + Grave Pact + Ornithopter + Phyrexian Altar

BG identity

Commander legal

The 4 combo pieces

• Glissa, the Traitor
• Grave Pact
• Ornithopter
• Phyrexian Altar

How to execute it

1. Sacrifice Ornithopter to Phyrexian Altar, adding one mana of any color.
2. Grave Pact triggers, causing each opponent to sacrifice a creature.
3. Glissa triggers at least once, allowing you to return Ornithopter to your hand.
4. Cast Ornithopter by paying {0}.
5. Repeat until your opponents no longer control any creatures.

What the combo produces

• Lock
• Near-infinite colored mana
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite storm count
• Opponents sacrifice all their creatures each turn