How can you create a combo with Rukarumel, Biologist, Bog Glider, Dryad Arbor, Thornbite Staff, Mortuary?
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[START OF COMBO]This combo can be formed with Rukarumel, Biologist, Bog Glider, Dryad Arbor, Thornbite Staff, Mortuary

Color identity: WUBRG
Mana cost: 
Steps:
  1. Activate Bog Glider by tapping it and sacrificing Dryad Arbor.
  2. When Dryad Arbor dies, Mortuary and Bog Glider trigger.
  3. Resolve the Bog Glider trigger, untapping it.
  4. Resolve the Mortuary trigger, putting Dryad Arbor on top of your library from your graveyard.
  5. Resolve the Bog Glider ability from step 1, searching your library for Dryad Arbor and putting it onto the battlefield.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite landfall triggers
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Bog Glider does not have summoning sickness.
  - Thornbite Staff attached to Bog Glider.
  - "Mercenary" chosen with Rukarumel.
[END OF COMBO PREREQUISITES]
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