Auton Soldier + Burnt Offering + Kairi, the Swirling Sky + Saw in Half

Mana needed: {2}{B}{B}

UBR identity

Commander legal

The 4 combo pieces

• Auton Soldier
• Burnt Offering
• Kairi, the Swirling Sky
• Saw in Half

How to execute it

1. Cast Saw in Half by paying {2}{B}, destroying Auton Soldier and creating two token copies of it that are nonlegendary copies of Kairi.
2. When Auton Soldier dies, it triggers.
3. Holding priority, cast Burnt Offering by paying {B} and sacrificing one of the Auton Soldier tokens.
4. When the token dies, it triggers. Choose either mode.
5. Resolve Burnt Offering, adding {B}{B}{B/R}{B/R}{B/R}{B/R}
6. Resolve the Auton Soldier trigger from step 5, causing you to mill six cards and return Saw in Half and Burnt Offering from your graveyard to your hand.
7. Repeat

What the combo produces

• Infinite black mana
• Infinite creature LTB
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite magecraft triggers
• Infinite red mana
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite storm count
• Put all instant and sorcery cards from your graveyard and library into your hand
• Return all instant and sorcery cards from your graveyard to your hand