Detective's Satchel + Dross Scorpion + Phyrexian Altar

UR identity

Commander legal

The 3 combo pieces

• Detective's Satchel
• Dross Scorpion
• Phyrexian Altar

How to execute it

1. Activate Detective's Satchel by tapping it, creating a 1/1 Thopter artifact creature token.
2. Activate Phyrexian Altar by sacrificing the Thopter.
3. When the Thopter dies, Dross Scorpion triggers, untapping Detective's Satchel.
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers