How can you create a combo with Flash, Protean Hulk, Ezuri, Claw of Progress, Sage of Hours, Dryad Arbor, Ornithopter, Memnite, Phyrexian Walker?
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[START OF COMBO]This combo can be formed with Flash, Protean Hulk, Ezuri, Claw of Progress, Sage of Hours, Dryad Arbor, Ornithopter, Memnite, Phyrexian Walker

Color identity: GU
Mana cost: {1}{U}
Steps:
  1. Cast Flash putting Protean Hulk into play, choosing not to pay.
  2. Sacrifice Hulk, getting Ezuri, Sage of Hours, and 4 0 mana value creatures.
  3. Sage of Hours and the 4 creatures will trigger Ezuri's ability, netting you 5 experience counters.
  4. Move to combat, triggering Ezuri's ability.
  5. Put 5 +1/+1 counters from Sage of Hours.
  6. Activate Sage of Hours' ability, removing all 5 counters, giving you an extra turn.
  7. Repeat steps 4 and 5 for infinite turns.[END OF COMBO STEPS]

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

Other prerequisites:
  - Flash must be in your hand
  - Protean Hulk must be in your hand
  - Ezuri, Claw of Progress must be in the library
  - Sage of Hours must be in the library
  - Dryad Arbor must be in the library
  - Ornithopter must be in the library
  - Memnite must be in the library
  - Phyrexian Walker must be in the library
[END OF COMBO PREREQUISITES]
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