While it may struggle to find a spot in aggressive Lightning builds such as Joltik Box, its proven utility means its unlikely to be ignored for long
With 4 Ultra Ball and 3 Repeat Ball (what I run in my current Metal deck), its not uncommon for me to have 2-3 Bronzong in play by the second turn
Lets admit that
Breya's also a well-known combo commander, whether that's in conjunction with Ashnod's Altar and Nim Deathmantle, or any number of other artifact recursion and generation cards
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In particular, since the target of Eclipse Wyvern's effect includes the red-eyed Dark Metal Dragon, you can be ready to search for 3 Dark Metal Dragons with just one future fusion