How can you create a combo with Reset, Dualcaster Mage, Riptide Laboratory?
user
[START OF COMBO]This combo can be formed with Reset, Dualcaster Mage, Riptide Laboratory

Color identity: UR
Mana cost: {1}{U}{U}{R}{R}
Steps:
  1. During an opponent turn, after their upkeep, cast Reset for {U}{U}.
  2. In response, cast Dualcaster Mage at instant speed for {1}{R}{R}.
  3. Resolve Dualcaster Mage, and target Reset with his triggered ETB ability to copy Reset.
  4. Resolve the Reset copy untapping your lands including Riptide Laboratory.
  5. In response to the original Reset still on the stack, activate Riptide Laboratory's activated ability for {1}{U} and tap targeting Dualcaster Mage.
  6. Resolve Riptide Laboratory's activated ability returning Dualcaster Mage to your hand.
  7. Tap all lands other than Riptide Laboratory.
  8. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Reset must be in your hand
  - Dualcaster Mage must be in your hand
  - Riptide Laboratory must be on the battlefield
  - Other lands that can produce {3}{U}{R}{R} on the battlefield.
[END OF COMBO PREREQUISITES]
assistant