While card types like enchantments or artifacts do help to minimize Umori, the Collector's drawback since there are artifact / enchantment creatures and removal spells, making it possible to make a semi-functional deck with Umori as its companion, even in these cases, a decent body that offers a slight discount on your spells doesn't seem worth the effort
It can be found in the pack from the WisdomOfSeaAndSky set
Its a threat thats always on curve, is a two-for-one if it wins the fight, and is a three-for-one when youre able to generate tons of mana, which sort of bridges the gap between the card being playable in an aggressive red deck or a mana ramping green deck
Although there was once a mad dash to get just about any Pokemon product back during the great Pokemon shortage of 2021, Pokemons efforts to mass produce its cards at an almost unimaginable scale to the tune of a billion cards has pretty much solved supply issues
We use all three (plus Misprint and Reddit), and we've formed pretty strong opinions about when each one makes sense