This is a big step for Wizards, who previously have released Universes Beyond products in a way that only allowed them to be legal for eternal formats including Modern, Legacy, Vintage, and most importantly Commander
Then you hopefully draw into your payoff, such as [[Grapeshot]]
Innistrad: Crimson Vow takes the dark monster-filled theming and makes it all centered around a crimson-filled night wedding between the two iconic Markov and Voldaren vampire families
The Aetherspark and Mox Jasper do exciting things, but neither card is even remotely viable in eternal formats like Legacy and Vintage
I didnt want my favourite game to turn into that one Cardboard Crack comic everyone links when discussing Universes Beyond
Sure, the math can be difficult to track, but when you have 20 tokens, one of your creatures gets +20/+20, another +19/+19, another +18+18, and you know the rest