Ashnod's Altar + Bloom Tender + Intruder Alarm + Worldheart Phoenix

WUBRG identity

Commander legal

The 4 combo pieces

• Ashnod's Altar
• Bloom Tender
• Intruder Alarm
• Worldheart Phoenix

What must be in place

You control a white and black permanent.
Bloom Tender does not have summoning sickness.

How to execute it

1. Activate Bloom Tender by tapping it, adding {W}{U}{B}{R}{G}.
2. Activate Ashnod's Altar by sacrificing Worldheart Phoenix, adding {C}{C}.
3. Cast Worldheart Phoenix from your graveyard by paying {W}{U}{B}{R}{G}.
4. Worldheart Phoenix enters the battlefield, triggering Intruder Alarm, untapping all creatures.
5. Repeat.

What the combo produces

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