He's in the best colors for the archetype and plays into lifegain strategies and win cons (Aetherflux Reservoir and Felidar Sovereign say hello)
Just like wft were they trying to achieve when designing them
So while the Equipment deck is fairly well-supported, the "Power 7+ Matters" theme is mostly relevant only because of our commanders, Cloud, Ex-SOLDIER and Tifa, Martial Artist, which reward you for boosting their power to 7 and have a starting power of 4 which is high enough to quickly reach the goal with a single Hero's Blade for example
This is a strong consideration for Merfolk but could prove to be a huge upgrade for Dredge decks as well
While most holographic cards do not contain real holograms, they use materials and printing techniques that create a similar light-reflecting, multi-dimensional look
You can use this card only if your discard a R Energy card from your hand