Sure, it might stretch the definition of what a Goblin is, but it has to qualify, as both sides of this card produce a Goblin creature, either in token form on the front or as a zero-mana-value enchantment creature on the backside
There'll be no entry fee for this event, and no cards required
Hearthstones Discover is one of my favorite mechanics ever, and Legends of Runeterras more restricted version, Invoke, is another favorite
As of now, however, I wouldnt really advise trying to force an artificer typal deck to work
Morover, she has Surveil 2 which is topdeck manipulation and that can make her ability shine even better, as it reduces the chances to hit a non-enchantment
The more Elemental tokens Omnath brings out, the more it starts to create a stranglehold over the table, as a careless board wipe could accidentally take a player out of the game