99/99 mtg card Edge of Eternities Rare Entropic Battlecruiser #99 Whenever a player casts a noncreature spell Mass Hysteria MTG - Mirrodin

It can be

This costs a mana less than Web of War, and it rocks a 3/3 body, so it can swing and block

You'll soon note that many of the top cards are not actually new in the set - many are from the Multiverse Legends bonus sheet, consisting of choice reprints of legendary creatures

Each booster contains twelve randomized cards: 6 common cards,3 uncommon cards, 2 rare, super rare, or legendary cards, 1 foil card (random rarity level)

Its worth building toward this Commander as quickly as possible, as even a turn or two active on the board can significantly push the advantage in your favor and make it hard for opponents to catch up