Ashcloud Phoenix + Intruder Alarm + Phyrexian Altar + Skirk Alarmist

UR identity

Commander legal

The 4 combo pieces

• Ashcloud Phoenix
• Intruder Alarm
• Phyrexian Altar
• Skirk Alarmist

How to execute it

1. Activate Phyrexian Altar by sacrificing Ashcloud Phoenix, adding one mana of any color.
2. When Ashcloud Phoenix dies, it triggers, returning itself from your graveyard to the battlefield face down.
3. When Ashcloud Phoenix enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4. Activate Skirk Alarmist by tapping it, turning Ashcloud Phoenix face up.
5. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures