Muerra marks the first appearance of the expend mechanic which triggers when you use a certain amount of mana to cast spells
Its nice that Temur gets some diversity, with boring big creatures, dragons, cards that care about instants, energy, copying effects, and more
If things get really out of hand, Kindred Dominance gives you a one-sided reset that destroys everything that isnt a spider
It adds a certain additional level of terror, considering how small and childlike this raccoon really is
The one potential exception is in Commander
I dont think Weaponcraft Enthusiast is actually a good card, but if Im going down the Cryptolith Rite road, both it and Channeler Initiate are making my deck, and sacrificing the 0/1 main body to -1/-1 counters is fine