Mystery Creepy Artillery (DZ-BT15/027EN) [Strike of Illusionary Shadows]

[CONT]:You may only have up to two "Mystery Creepy Artillery" in a deck. If your vanguard's grade is less than your opponent's vanguard's grade, this ability can be played while ignoring grade. Remove this card, choose a unit being attacked, until end of that battle, it gets [Power]+15000, and perform all of the following. If you went second, and you did not put a Persona Shield ticket into hand by the ability of a card with the same card name as this card this fight, put a Persona Shield ticket into hand, and until end of turn, you can play an additional order, and cannot play orders other than Persona Shield tickets. If your opponent persona rode this turn, choose a unit being attacked, and it gets [Power]+5000 until end of that battle.