How can you create a combo with Basalt Monolith, Dockside Extortionist, Eldrazi Displacer?
user
[START OF COMBO]This combo can be formed with Basalt Monolith, Dockside Extortionist, Eldrazi Displacer

Color identity: RW
Mana cost: 
Steps:
  1. Activate Basalt Monolith's first ability by tapping it, adding {C}{C}{C}.
  2. Activate Eldrazi Displacer by paying {2}{C}, blinking Dockside Extortionist, creating four Treasure tokens.
  3. Activate three Treasure tokens by tapping those, adding three mana of any color.
  4. Activate Basalt Monolith's last ability by paying {3}, untapping it.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite enters the battlefield
  - Infinite Treasure tokens
  - Infinite leaves the battlefield
  - Infinite blinking of creatures you control except Eldrazi Displacer
  - Infinite blinking[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Your opponents control at least four artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
assistant