Feign Death + Kairi, the Swirling Sky + Phyrexian Altar

Mana needed: {B}

UB identity

Commander legal

The 3 combo pieces

• Feign Death
• Kairi, the Swirling Sky
• Phyrexian Altar

How to execute it

1. Cast Feign Death by paying {B}, targeting Kairi.
2. Activate Phyrexian Altar by sacrificing Kairi, adding {B}.
3. Kairi dies, triggering its ability granted by Feign Death and its other ability.
4. Resolve the first Kairi trigger, returning it from your graveyard to the battlefield tapped with a +1/+1 counter on it.
5. Resolve the second Kairi trigger, causing you to mill six cards and return Feign Death 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