How can you create a combo with Malcolm, Keen-Eyed Navigator, Ingenious Artillerist, Amoeboid Changeling?
user
[START OF COMBO]This combo can be formed with Malcolm, Keen-Eyed Navigator, Ingenious Artillerist, Amoeboid Changeling

Color identity: UR
Mana cost: 
Steps:
  1. Activate Amoeboid Changeling's first ability by tapping it, causing Ingenious Artillerist to gain all creature types until end of turn.
  2. Cause an artifact to enter the battlefield under your control.
  3. Ingenious Artillerist triggers, dealing 1 damage to each opponent.
  4. Malcolm triggers, creating a Treasure token for each opponent dealt damage this way.
  5. The Treasures enter the battlefield, triggering Ingenious Artillerist that many times.
  6. Resolve the first Ingenious Artillerist trigger, dealing 1 damage to each opponent.
  7. Repeat from step 4.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite damage
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Amoeboid Changeling does not have summoning sickness.
  - You have a way to cause an artifact to enter the battlefield under your control.
[END OF COMBO PREREQUISITES]
assistant