How can you create a combo with Isochron Scepter, Pull from Eternity, Dralnu, Lich Lord, Karn's Temporal Sundering?
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[START OF COMBO]This combo can be formed with Isochron Scepter, Pull from Eternity, Dralnu, Lich Lord, Karn's Temporal Sundering

Color identity: WUB
Mana cost: {6}{U}{U} each turn
Steps:
  1. Cast Karn's Temporal Sundering by paying {4}{U}{U}, causing you to take an extra turn after this one and exile Karn's Temporal Sundering.
  2. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Pull from Eternity without paying its mana cost.
  3. Resolve Pull from Eternity, putting Karn's Temporal Sundering into your graveyard from exile.
  4. Move to your next turn.
  5. Activate Dralnu by tapping it, giving Karn's Temporal Sundering flashback until end of turn.
  6. Cast Karn's Temporal Sundering from your graveyard by paying {4}{U}{U}, causing you to take an extra turn after this one and exile Karn's Temporal Sundering.
  7. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Isochron Scepter must be on the battlefield
  - Pull from Eternity must be exiled
  - Dralnu, Lich Lord must be on the battlefield
  - Karn's Temporal Sundering must be in your hand
[END OF COMBO PREREQUISITES]
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