Bolas's Citadel + Krark-Clan Grunt + Mortuary + Shield Sphere

BR identity

Commander legal

The 4 combo pieces

• Bolas's Citadel
• Krark-Clan Grunt
• Mortuary
• Shield Sphere

How to execute it

1. Activate Krark-Clan Grunt by sacrificing Shield Sphere
2. When Shield Sphere dies, Mortuary triggers, putting Shield Sphere from your graveyard onto the top of your library.
3. Resolve the Krark-Clan Grunt ability.
4. Cast Shield Sphere from the top of your library by paying 0 life.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count
• Infinitely powerful creature until end of turn