Then pile on seconds with instants and sorceries like Arachnogenesis, Collective Unconscious, or Second Harvest and overwhelm the table
Mind's Desire was notoriously banned from Legacy and Vintage formats in less than one week, but unfortunately, the card is not alone
Avacyn's Judgment Technically, Avacyn's Judgment shouldnt count as a Fireball effect, but since its madness cost acts as precisely that, its just enough for this red sorcery to fit into this list and in madness decks
Heres a graph for a card that was immediately adopted into a wide range of formats, including Cube and Legacy: Search for Azcanta
It is obviously not just those two cards, lots of things that counter Jace will also counter other walkers well and lots of things that exile Wurmcoil also prevent nasty things happening on many other potent cards