Regicide [FAB122] (Promo) Rainbow Foil Promo Illusionist auras you control are

Illusionist auras you control are weapons with 4 [Power] and "Once per Turn Action - [3 Resource]: Attack

[When Attacking] If you have 7 or fewer cards in your hand

Set: Dynasty Finish: Cold Foil Type: Equipment Subtype: Head Rarity: Majestic Class: Assassin Power: 1 While Mask of Perdition is in your graveyard

Color also chosen by the Dragon Shield online community

Regicide [FAB122] (Promo) Rainbow Foil Promo Illusionist auras you control areSet: Promo Finish: Rainbow Foil Type: Action Subtype: Assassin Rarity: Promo Class: Assassin Cost: 3 Power: 3 Legendary Arakni Specialization (You may only have 1 Regicide in your deck and only if your hero is Arakni.) When this hits a Royal hero, they lose the game. When the combat chain closes, you lose the game. Regicide can't be defended by cards with the same name as cards in the defending hero's banished zone.