How can you create a combo with Karador, Ghost Chieftain, Living Lore, Concordant Crossroads, Walk the Aeons?
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[START OF COMBO]This combo can be formed with Karador, Ghost Chieftain, Living Lore, Concordant Crossroads, Walk the Aeons

Color identity: GWUB
Mana cost: {3}{U} each turn
Steps:
  1. Cast Living Lore from your hand or graveyard by paying {3}{U}.
  2. Living Lore enters the battlefield, exiling Walk the Aeons from your graveyard.
  3. Move to your combat phase, and deal combat damage with Living Lore.
  4. Living Lore triggers, causing you to sacrifice it and cast Walk the Aeons from exile without paying its mana cost.
  5. Resolve Walk the Aeons, taking an extra turn after this one.
  6. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Karador, Ghost Chieftain must be on the battlefield
  - Living Lore must be in your hand or in the graveyard
  - Concordant Crossroads must be on the battlefield
  - Walk the Aeons must be in the graveyard
  - If Living Lore is in your graveyard, you have not played a creature spell using Karador this turn.
  - An opponent is unable to block your creatures.
[END OF COMBO PREREQUISITES]
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