How can you create a combo with Spellbinder, Beacon of Tomorrows, Mystical Tutor?
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[START OF COMBO]This combo can be formed with Spellbinder, Beacon of Tomorrows, Mystical Tutor

Color identity: U
Mana cost: {6}{U}{U} each turn
Steps:
  1. Cast Beacon of Tomorrows by paying {6}{U}{U}, causing you to take an extra turn after this one and shuffle Beacon of Tomorrows into your library.
  2. Deal combat damage to an opponent using the creature that has Spellbinder attached.
  3. Spellbinder triggers, casting a copy of Mystical Tutor without paying its mana cost.
  4. Resolve the copy of Mystical Tutor, searching your library for Beacon of Tomorrows and putting it on top of your library.
  5. Move to your next turn, drawing Beacon of Tomorrows during your draw step.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns
  - Skip your draw step[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Spellbinder must be on the battlefield
  - Beacon of Tomorrows must be in your hand
  - Mystical Tutor must be exiled
  - Spellbinder attached to a creature you control.The creature with Spellbinder attached does not have summoning sickness, and cannot be blocked by an opponent.
[END OF COMBO PREREQUISITES]
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