Yu-Gi-Oh Card Maker Wiki
Number HM91: Thunderspark Dragon Wyrm
Attribute DARK DARK.png
Type(s) [ Wyrm/Xyz/Effect ]
Rank 4 18px-RankStar.svg.png18px-RankStar.svg.png18px-RankStar.svg.png18px-RankStar.svg.png
ATK / DEF 2400 / 2000
4 Level 4 "Wyrm" monsters

You can also Xyz Summon this card by using a “Number 91: Thunder Spark Dragon” you control as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) Once per turn: You can select 1 of the following effects and activate it. - Detach 2 Xyz Materials from this card; destroy monsters your opponent controls up to the number of “Wyrm” monsters you control, except this card. - Detach 4 Xyz Materials from this card; gain control of as many DARK Wyrm-Type monsters your opponent controls as possible.

Rarity Ultimate Rare