Oinkologne ex Box (available September 1, 2023): Includes an Oinkologne ex reprint card from Scarlet & Violet base, a jumbo version of Oinkologne ex, a holographic card featuring Lechonk from Scarlet & Violet base, and four booster packs
Therefore , when an effect removes an Therefore, it is advantageous if you do not have Xyz materials, but unless there is a unique case where Xyz materials are removed and the effect is activated, Overlay Regenerate is backward compatible
If this card is Special Summoned, or a monster(s) is Special Summoned to your opponents field: You can destroy all cards on the field
Beyond those bank account-draining factors, Umbreon ex delivers meaningful utility in gameplay, if anyone is brave enough to put on in their deck