Dargo, the Shipwrecker + Pitiless Plunderer + Razaketh, the Foulblooded + Aetherflux Reservoir

Dargo, the Shipwrecker

Pitiless Plunderer

Razaketh, the Foulblooded

Aetherflux Reservoir

How it works

1. Cast Dargo from the command zone by paying .
2. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn.
3. Activate Razaketh by paying two life and sacrificing Dargo.
4. Choose to return Dargo to the command zone from your graveyard.
5. Pitiless Plunderer triggers, creating a Treasure token.
6. Resolve the Razaketh ability, causing you to search your library for a card and put it into your hand.
7. Activate the Treasure by tapping and sacrificing it, adding .
8. Repeat an arbitrarily large number of times.
9. Activate Aetherflux Reservoir by paying fifty life, dealing fifty damage to any target.
10. Repeat step 9 as many times as desired.