How can you create a combo with Captain Rex Nebula, Aetherflux Reservoir, Vampiric Link?
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[START OF COMBO]This combo can be formed with Captain Rex Nebula, Aetherflux Reservoir, Vampiric Link

Color identity: RWB
Mana cost: {B}
Steps:
  1. At the beginning of your combat phase, Captain Rex Nebula triggers, causing Aetherflux Reservoir to become a Vehicle artifact with crew 2.
  2. Activate Aetherflux Reservoir's crew ability by tapping Captain Rex Nebula, causing Aetherflux Reservoir to become an artifact creature until end of turn.
  3. Cast Vampiric Link by paying {B}, targeting Aetherflux Reservoir.
  4. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn.
  5. Resolve Vampiric Link, attaching it to Aetherflux Reservoir.
  6. Activate Aetherflux Reservoir by paying fifty life, dealing fifty damage to any target.
  7. Aetherflux Reservoir and Vampiric Link trigger.
  8. Resolve the Vampiric Link trigger, causing you to gain fifty life.
  9. Repeat from step 6.[END OF COMBO STEPS]

Result:
  - Infinite damage
  - Infinite dice roll
  - Infinite lifegain
  - Infinite lifegain triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Captain Rex Nebula must be on the battlefield
  - Aetherflux Reservoir must be on the battlefield
  - Vampiric Link must be in your hand
  - Your life total is at least fifty.
[END OF COMBO PREREQUISITES]
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