Doppelgang + Kairi, the Swirling Sky

Prerequisites

• There are four permanents on the battlefield that can collectively tap to produce at least .

Steps

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

Effects

• Infinite casts of instants and sorceries in your hand and graveyard
• Infinite copies of all permanents
• Infinite creature ETB
• Infinite creature tokens
• 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