Doomking Balerdroch , on its own, is a lackluster card since he can only activate its effects on Zombies
That said, it's been kicking about the meta for a long time now and is still an absolute powerhouse - a fan favorite for a reason, and still more popular than other Dragapult builds - thanks to Charizard's dark typing making it a good matchup versus Gardevoir
a few other juicy options include Sami, Wildcat Captain, Giada, Font of Hope and Breya, Etherium Shaper
These are abilities that are commonly printed in new releases and have spent years of playtesting to earn their lifetime spot in the TCG
And Pokmon isnt slowing: Mega Evolution Ascended Heroes launched last month with boxes already flipping for over 500% of retail on the secondary market
Whether or not Relentless Rats should see play depends on the specific strategy and synergies of the deck it's being considered for