Narset's Reversal + Frantic Search + Chandra, Hope's Beacon + Displacer Kitten

Narset's Reversal
Frantic Search
Chandra, Hope's Beacon
Displacer Kitten

Requires
Chandra and Displacer Kitten on the battlefield. All other cards in hand. You control three lands that can tap to produce at least 1uu. You have not copied a spell using Chandra this turn. 2u available.
Steps
  1. Cast Frantic Search by paying 2u
  2. Chandra and Displacer Kitten triggers
  3. Resolve the Displacer Kitten trigger, blinking Chandra
  4. Resolve the Chandra trigger, creating a copy of Frantic Search
  5. Resolve the copy of Frantic Search, looting twice and untapping three lands you control that can tap to produce at least 1uu
  6. Activate the three lands by tapping them, adding at least 1uu
  7. Holding priority, cast Narset's Reversal by paying uu, targeting Frantic Search
  8. Chandra and Displacer Kitten triggers
  9. Resolve the Displacer Kitten trigger, blinking Chandra
  10. Resolve the Chandra trigger, creating a copy of Narset's Reversal, targeting the original Narset's Reversal
  11. Resolve the Narset's Reversal copy, creating a copy of the original Narset's Reversal targeting Frantic Search and returning the original Narset's Reversal to your hand
  12. Resolve Narset's Reversal, creating a copy of Frantic Search and returning it to your hand
  13. Resolve Frantic Search, looting twice and untapping three lands you control that can tap to produce at least 1uu
  14. Activate the three lands by tapping them, adding at least 1uu
  15. Activate Chandra's third loyalty ability by removing four loyalty counters from it, dealing four damage to up to two targets
  16. Repeat
Results
Infinite looting. Infinite draw triggers. Near-infinite damage. Near-infinite mana lands you control can produce. Near-infinite storm count. Near-infinite magecraft triggers.