How can you create a combo with Rograkh, Son of Rohgahh, Myth Unbound, Goblin Bombardment, Estrid's Invocation?
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[START OF COMBO]This combo can be formed with Rograkh, Son of Rohgahh, Myth Unbound, Goblin Bombardment, Estrid's Invocation

Color identity: GUR
Mana cost: 
Steps:
  1. Activate Goblin Bombardment by sacrificing Rograkh.
  2. Choose to have Rograkh return to the command zone from your graveyard.
  3. Both copies of Myth Unbound trigger, causing you to draw two cards.
  4. Resolve the ability from step 1, dealing 1 damage to any target.
  5. Cast Rograkh from the command zone by paying {0} due to the cost reductions from both copies of Myth Unbound.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Near-infinite damage
  - Near-infinite death triggers
  - Near-infinite enters the battlefield
  - Near-infinite leaves the battlefield
  - Near-infinite sacrifice triggers
  - Near-infinite storm count
  - Infinite draw triggers
  - Near-infinite commander casts[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Estrid's Invocation is a copy of Myth Unbound.
[END OF COMBO PREREQUISITES]
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