Yu-Gi-Oh! GX Duel Academy Puzzle: 010

1. Summon Summoned Skull by tributing Dark Driceratops from the field.

2. Equip him with Axe of Despair.

3. Use Mystic Plasma Zone.

4. Activate Tribute to the Doomed, discard Dark Hole and destroy Marshmallon.

5. Activate Magical Explosion.

6. Enter Battle Phase and attack with Summoned Skull.