Team Yugi vs. The Shadow Sirens

This is a Duel for my Yu-Gi-Oh! / Paper Mario: the Thousand Year Door crossover fanfic.

Duel Recap
Life Points: 8000 / 8000

Cards in Decks: 40, 40, 40 / 40, 40, 40

Cole's Turn

 * Normal Summons "Alligator Sword" (ATK: 1500 / DEF: 1200) in Attack Position.
 * Sets 2 cards.

Marilyn's Turn

 * Normal Summons "Spear Dragon" (ATK: 1900 / DEF: 0) in Attack Position.
 * Activates the Spell Card "Automatic Summon", she Special Summons "Ashura" (ATK: 2400 / DEF: 0) from her Deck in Attack Position.

Koops' Turn

 * Normal Summons "Koopa Knight" (ATK: 1500 / DEF: 500) in Attack Position. It's effect activates, he Special Summons "Sara the Magical Warrior" (ATK: 1200 / DEF: 400) from his Deck in Defense Position. It's effect activates, he Special Summons "Koopator" (ATK: 1900 / DEF: 2000) from his Deck in Attack Position.

Vivian's Turn

 * Normal Summons "Skilled Red Magician" (ATK: 1700 / DEF: 1200) in Attack Position.
 * Activates Continuous Spell Card "Magical Warehouse", for every Spellcaster in Vivian's Graveyard she and her sisters can add a Spell Card into their hand every other turn.
 * Sets a card.

Matt's Turn

 * Activates Ritual Spell Card "Black Luster Ritual"; tributes "Swift Gaia the Fierce Knight" and "Winged Kuriboh" from his hand to Ritual Summon "Black Luster Soldier" (ATK: 3000 / DEF: 2500).
 * Set a card.

Beldam's Turn
To be continued...
 * Activates Field Spell Card "Yami"; all Spellcaster, and Fiend-Type monsters ATK and DEF by 200 while the opponents Fairy-Types would lose 200 ATK and DEF points.
 * Discards a card from her hand to Special Summon "The Tricky" (ATK: 2000 -> 2200 / DEF 1200 -> 1400) in Attack Position.