Five Hundred Year Diary + Trazyn the Infinite + Umbral Mantle

UB identity

Commander legal

The 3 combo pieces

• Five Hundred Year Diary
• Trazyn the Infinite
• Umbral Mantle

What must be in place

You control at least three Clues.

How to execute it

1. Activate Trazyn using Five Hundred Year Diary's ability by tapping it, adding at least {U}{U}{U}
2. Activate Trazyn by paying {3} and untapping it, giving it +2/+2 until end of turn.
3. Repeat.

What the combo produces

• Infinite blue mana
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control
• Infinitely large creature until end of turn