How can you create a combo with Scrap Trawler, Krark-Clan Ironworks, Salvaging Station, Chamber Sentry?
user
[START OF COMBO]This combo can be formed with Scrap Trawler, Krark-Clan Ironworks, Salvaging Station, Chamber Sentry

Color identity: WUBRG
Mana cost: 
Steps:
  1. Activate Krark-Clan Ironworks by sacrificing the nontoken noncreature artifact, adding {C}{C}.
  2. Scrap Trawler triggers, returning Chamber Sentry from your graveyard to your hand.
  3. Activate Salvaging Station by tapping it, returning the noncreature artifact from your graveyard to the battlefield.
  4. Cast Chamber Sentry by paying {0}.
  5. Chamber Sentry enters the battlefield and dies as a state-based action due to having zero toughness.
  6. Scrap Trawler and Salvaging Station trigger.
  7. Resolve the Salvaging Station trigger, untapping itself.
  8. Resolve the Scrap Trawler trigger, returning nothing from your graveyard to your hand.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Chamber Sentry
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Scrap Trawler must be on the battlefield
  - Krark-Clan Ironworks must be on the battlefield
  - Salvaging Station must be on the battlefield
  - Chamber Sentry must be in the graveyard
  - You control a nontoken noncreature artifact with mana value one or less.
[END OF COMBO PREREQUISITES]
assistant