RD/KP05-JP023 ロイヤルデモンズ・フェイザー Royal Demon’s Phaser
Level 1 LIGHT Fiend-Type Effect Monster
ATK 100
DEF 0
[Requirement] You can activate if you control a face-up monster (Level 7 or higher/Fiend-Type) by sending this face-up card you control to the GY.
[Effect] Choose 1 monster (Level 7 or higher/Fiend-Type) in your Graveyard and Special Summon it to your side of the field in face-up Defense Position.

This card is probably referencing either Phase Music or Phaser.

Source