Escape Protocol + Fluctuator + Bone Miser + Stoic Builder + Smoldering Crater

Escape Protocol

Fluctuator

Bone Miser

Stoic Builder

Smoldering Crater

How it works

1. Activate Smoldering Crater's cycling ability by paying 0 and discarding it.
2. Bone Miser, Smoldering Crater, and Escape Protocol trigger.
3. Resolve the Bone Miser trigger, adding .
4. Resolve the Smoldering Crater trigger, drawing a card.
5. Resolve the Escape Protocol trigger, causing you to pay 1 to blink Stoic Builder.
6. Stoic Builder enters the battlefield, returning Smoldering Crater from your graveyard to your hand.
7. Repeat.