How can you create a combo with Aminatou, the Fateshifter, Spark Double, Rings of Brighthearth, Teferi, Who Slows the Sunset?
user
[START OF COMBO]This combo can be formed with Aminatou, the Fateshifter, Spark Double, Rings of Brighthearth, Teferi, Who Slows the Sunset

Color identity: WUB
Mana cost: 
Steps:
  1. Activate an artifact, land and/or creature you control by tapping them, adding at least {2}.
  2. Activate Aminatou's second loyalty ability by removing a loyalty counter from it, targeting Teferi.
  3. Rings of Brighthearth triggers, causing you to pay {2} to copy Aminatou's ability, targeting Spark Double.
  4. Resolve both Aminatou abilities, blinking Teferi and Spark Double, choosing to have Spark Double enter the battlefield as a copy of Aminatou.
  5. Activate Teferi's first loyalty ability by putting a loyalty counter on it, targeting up to one land, artifact and/or creature.
  6. Rings of Brighthearth triggers, choose not to pay for the trigger.
  7. Resolve the Teferi ability, untapping up to land, artifact and/or creature you control and causing you to gain two life.
  8. Activate an artifact, land and/or creature you control by tapping them, adding at least {2}.
  9. Activate Spark Double's second loyalty ability by removing a loyalty counter from it, targeting Teferi.
  10. Rings of Brighthearth triggers, causing you to pay {2} to copy Spark Double's ability, targeting Aminatou.
  11. Resolve both Spark Double abilities, blinking Teferi and Aminatou.
  12. Activate Teferi's first loyalty ability by putting a loyalty counter on it, targeting up to one land, artifact and/or creature.
  13. Rings of Brighthearth triggers, choose not to pay for the trigger.
  14. Resolve the Teferi ability, untapping up to land, artifact and/or creature you control and causing you to gain two life.
  15. Repeat.
  16. If the artifact, land and/or creature can produce at least {3}, you may instead use Teferi's second loyalty ability once you have infinite mana to put your library into your hand, or you may instead blink any other desired permanent.[END OF COMBO STEPS]

Result:
  - Infinite blinking
  - Infinite card draw
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite mana permanents you control can produce
  - Infinite untap of permanents you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control an artifact, creature and/or land that can tap to produce at least {2}.
  - Aminatou has at least two loyalty counters.
[END OF COMBO PREREQUISITES]
assistant