A kindred artifact like Firdoch Core with changeling and thus, the goblin creature type can be grabbed by an effect thats searching for a goblin card (Grub, Storied Matriarch), but it cant be fetched by an effect thats searching for a goblin creature (Muxus, Goblin Grandee)
The Inklands starter decks were tasked with showing off a lot of new mechanics at the same time, so it's no surprise that neither of them come together very well
For three mana, youre going to flash in Cathar Commando, block something huge, and then sacrifice it to Disenchant something
Whenever one or more creatures your opponents control die, you create a Treasure token
'2-lamog' gained a mass-mill effect in lieu of annihilator, but retained indestructible, giving it the resilience it needs to make the few attacks that inevitably win the game