Gagaga Magician [PGLD-EN037] Gold Rare BT6-030 If this card is Xyz

If this card is Xyz Summoned by using an Xyz Monster as a Material: Destroy as many Level 7 or lower monsters your opponent controls as possible

and probably extra-dimensional

banish the equipped monster

including "Elemental HERO Neos"

if a face-up "Sky Striker Ace" Link Monster you control is destroyed by battle

Gagaga Magician [PGLD-EN037] Gold Rare BT6-030 If this card is XyzSet: Premium Gold Card type: Effect Monster Rarity: Gold Rare Attack: 1500 Defense: 1000 Once per turn, during your Main Phase: You can declare a Level from 1 to 8, this card becomes that Level until the End Phase. You can only control 1 "Gagaga Magician". This card cannot be used as a Synchro Material Monster.