How can you create a combo with Knotvine Mystic, Nyxbloom Ancient, Umbral Mantle?
user
[START OF COMBO]This combo can be formed with Knotvine Mystic, Nyxbloom Ancient, Umbral Mantle

Color identity: RGW
Mana cost: {1}
Steps:
  1. Activate Knotvine Mystic by paying {1} and tapping it, adding {R}{R}{R}{G}{G}{G}{W}{W}{W}.
  2. Activate Knotvine Mystic by paying {3} and untapping it, giving it +2/+2 until end of turn.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite green mana
  - Infinitely large Knotvine Mystic until end of turn
  - Infinite red mana
  - Infinite white mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Knotvine Mystic does not have summoning sickness.
  - Umbral Mantle attached to Knotvine Mystic.
[END OF COMBO PREREQUISITES]
assistant