"Transform Field" (トランスフォーム・フィールド, Toransufōmu Fīrudo) is a Duel Puzzle in Yu-Gi-Oh! Duel Monsters 5 EX 1.


The player has 1000 Life Points. Their hand contains "La Jinn the Mystical Genie of the Lamp", "Koumori Dragon", "7 Colored Fish", "Mountain", "Yami" and "Umi" and their field contains "Monstrous Bird", "Thunder Dragon" and "Axe Raider", all in Attack Position.

The opponent has 1000 Life Points, "Flame Cerebrus" in Attack Position, "Dark Witch" in Defense Position, "Battle Ox" in Attack Position and "Forest" active.

The player is given the clue: The opponent has 3 monsters out, and the "Forest" is powering up his "Battle Ox". Use your 3 field changes to make his Life Points 0.


  1. Activate "Umi"
  2. Normal Summon "7 Colored Fish" in Attack Position.
  3. Enter the Battle Phase.
  4. Attack "Dark Witch" with "Thunder Dragon".
  5. Attack "Battle Ox" with "Axe Raider".
  6. Attack "Flame Cerebrus" with "7 Colored Fish".
  7. Attack directly with "Monstrous Bird".
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