How can you create a combo with Dockside Extortionist, Unsummon, Lore Drakkis?
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[START OF COMBO]This combo can be formed with Dockside Extortionist, Unsummon, Lore Drakkis

Color identity: UR
Mana cost: {1}{R}
Steps:
  1. Cast Dockside Extortionist by paying {1}{R}.
  2. Dockside Extortionist enters the battlefield, creating at least six Treasure tokens.
  3. Cast Lore Drakkis for its mutate cost by paying {U/R}{U/R}, targeting Dockside Extortionist.
  4. Lore Drakkis's mutate ability triggers, returning Unsummon from your graveyard to hand.
  5. Cast Unsummon by paying {U}, returning Dockside Extortionist and Lore Drakkis to your hand.
  6. Activate five Treasure tokens by tapping and sacrificing those, adding {1}{U}{U/R}{U/R}{R}.
  7. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Dockside Extortionist must be in your hand
  - Unsummon must be in the graveyard
  - Lore Drakkis must be in your hand
  - Opponents control at least six artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
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