Every time your goblins attack, you get more goblins, and every creature that enters your side of the field pings your opponents
In gameplay, Galvantula ex is also a powerful card from the Pokmon TCG: Stellar Crown set
Mega Lucario ex/Hariyama With a brutal stage 1 Mega ex Pokmon, a Pokmon ability that functions as Boss's Orders, a built-in draw engine, and a new special energy type that totally shuts down Pokmon like Alakazam, this fighting type deck has it all - at least on paper
Quick note, I won't include any mythics that also have a lower-rarity version on Arena
Bulbapedia is usually pretty stubborn about only including official information, even to the detriment of their website, but perhaps this predates their rigidity
Its also worth noting that this is the kind of card that gets much better after sideboarding