Thunder Dragon Fusion X SPELL Fusion Summon 1 Thunder Fusion Monster from your Extra Deck, by shuffling the Fusion Materials listed on it into the Deck, from among your cards on the field, in your GY, and/or your face-up banished cards
It also has an effect to make a level 8, but it is generally better to use it to summon "Afterglow Dragon"
It was played in Five Color, Standard, Extended, and lots more
Scratching Nails 100+ If your opponent's Active Pokmon already has any damage counters on it, this attack does 120 more damage
On top of that, Ferocious specifically needs Blue-Eyes White Dragon (the vanilla monster) to be destroyed in order to Special Summon itself (which is really conditional)
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