Doppelgang + Kairi, the Swirling Sky

Mana needed: {15}{G}{U}

GU identity

Commander legal

The 2 combo pieces

• Doppelgang
• Kairi, the Swirling Sky

What must be in place

There are four permanents on the battlefield that can collectively tap to produce at least {2}{G}{U}.

How to execute it

1. Cast Doppelgang by paying {15}{G}{U}, creating five token copies of Kairi and of the four mana-producing permanents.
2. Put all Kairi tokens into your graveyard due to the legend rule, triggering each token once.
3. Resolve the first Kairi trigger, causing you to mill six cards and return Doppelgang from your graveyard to your hand.
4. Resolve all remaining Kairi triggers, choosing either mode as desired.
5. Activate seventeen of the mana-producing permanent tokens by tapping them, adding at least {15}{G}{U}.
6. Repeat.

What the combo produces

• Infinite casts of instants and sorceries in your hand and graveyard
• Infinite copies of all permanents
• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers
• Infinite magecraft triggers
• Infinite mana permanents you control can produce
• Infinite self-mill
• Infinite storm count
• Put all nonland cards from your library into your hand
• Return all instant and sorcery cards from your graveyard to your hand
• Return all nonland cards from your graveyard to your hand