Kairi, the Swirling Sky + Phyrexian Altar + Supernatural Stamina

Mana needed: {B}

UB identity

Commander legal

The 3 combo pieces

• Kairi, the Swirling Sky
• Phyrexian Altar
• Supernatural Stamina

How to execute it

1. Cast Supernatural Stamina by paying {B}, targeting Kairi.
2. Activate Phyrexian Altar by sacrificing Kairi, adding {B}.
3. Kairi dies, triggering its ability granted by Supernatural Stamina and its other ability.
4. Resolve the first Kairi trigger, returning it from your graveyard to the battlefield tapped.
5. Resolve the second Kairi trigger, causing you to mill six cards and return Supernatural Stamina from your graveyard to your hand.
6. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count
• Return all instant and sorcery cards from your graveyard to your hand