Im sure that hes important to the Warhammer 40,000 lore in some way, but he barely even feels like a legendary creature
Creature - Dragon Color tag templates(None) Thundermane Dragon Flying You may look at the top card of your library any time
Most Used Format Non-Meta Decks Public Decks 491 Tournament Decks 0 Total Copies 924 Avg Copies / Deck 1.88 Main Deck 98.3% 908 copies in 485 decks Extra Deck 0% 0 copies in 0 decks Side Deck 1.7% 16 copies in 14 decks Similar Cards Cards with related names, effects, or gameplay patterns
If your opponent activates a card or effect, while this card is a Continuous Spell (except during the Damage Step): You can Special Summon this card, then you can gain LP equal to half the ATK of 1 monster on the field
Design Notes covers how much each card had changed through each step of the design process, but also includes Pokmon Location info seen on all Pokmon flavor text but ultimately removed by the final release