I love Seal of Primordium and Seal of Cleansing in a Cube with an Enchantress theme because they play well both in and against enchantment decks
Getting a free spell at some point is pretty sweet, but this feels more like a legends-matter support piece than a generally playable card
There are battlefield states you can back yourself into which keep you from being able to do anything for turns on end
Now we have creatures such as Professional Face-Breaker, Goldspan Dragon, Lotho, Corrupt Shirriff, Grim Hireling, Academy Manufactor, and the new Kellogg, Dangerous Mind
The overload ability separates this instant from every other board wipe in the format
Command a new battlefield in epic multiplayer Magic games set in the world of the popular tabletop miniatures game, Warhammer 40,000