How can you create a combo with Rona, Herald of Invasion // Rona, Tolarian Obliterator, Rograkh, Son of Rohgahh, Banishing Knack?
user
[START OF COMBO]This combo can be formed with Rona, Herald of Invasion // Rona, Tolarian Obliterator, Rograkh, Son of Rohgahh, Banishing Knack

Color identity: UBR
Mana cost: {U}
Steps:
  1. Cast Banishing Knack by paying {U}, targeting Rona.
  2. Activate Rona by tapping it, returning Rograkh from the battlefield to your hand.
  3. Cast Rograkh by paying {0}.
  4. Rona triggers, untapping itself.
  5. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Rona, Herald of Invasion // Rona, Tolarian Obliterator must be on the battlefield
  - Rograkh, Son of Rohgahh must be on the battlefield
  - Banishing Knack must be in your hand
  - Rona does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant