Yu-Gi-Oh! GX Duel Academy Puzzle: 028

1. Activate Poison of the Old Man to decrease the opponent's LP by 800.

2. Activate The Warrior Returning Alive and choose Elemental Hero Bubbleman.

3. Special Summon Bubbleman and draw two cards.

4. Activate Skyscraper.

5. Summon Elemental Hero Sparkman.

6. Enter Battle Phase and attack Mad Dog of Darkness with Sparkman.

7. Attack with Bubbleman.