Everything is a reference if you look hard enough.
The usual “Not confirmed to be released, etc.”
七・魔・導・連・弾(セブンスツインバースト)Sevens Twin Burst
Normal Spell Card
[Requirement] You can activate if the only monsters you control are 1 face-up “Sevens Road Magician” and 1 face-up “Sevens Road Witch”.
[Effect] The “Sevens Road Magician” you control gains ATK equal to [the ATK of the “Sevens Road Witch” you control] until the end of this turn.
Note: This card is a reference to “Dark Magic Twin Burst”
ローグ・オブ・デーモン-デーモンの使役者 Rogue of Daemon – Daemon no Shiekisha (Translation: Rogue of Daemon – Slave of Daemons/Localization: Rogue of Archfiend)
Level 4 DARK Fiend-Type Effect Monster
ATK 1200
DEF 1100
[Requirement] You can send this face-up card you control to the Graveyard.
[Effect] Choose up to 2 face-up Normal Monsters (Fiend-Type) you control. This turn, they cannot be destroyed by your opponent’s card effects.
Note: This card is a reference to “Lord of D.”
魔殲光 Masenko (Localization: Masenko, the Magical Light)
Normal Spell Card
[Requirement] You can activate if you control a “Summoned Skull” by sending 1 Normal Monster (Fiend-Type) from your hand to the Graveyard.
[Effect] Destroy all face-up monsters (Level 8 or lower) your opponent controls . During this turn, monsters cannot attack, except “Summoned Skull”.
Note: This is yet another of the “Makiu, the Magical Mist” esques.
強者の愉悦 Kyosha no Yuetsu (Joy of the Mighty)
Normal Trap Card
[Requirement] You can activate when your opponent Normal Summons a monster.
[Effect] Choose 1 face-up Normal Monster you control, it gains 100 ATK and DEF [x the Level of the Normal Summoned monster] until the end of the turn.
Note: This card is a reference to “Burden of the Mighty”.