This won't touch generic mana costs or other colors, and it only works on permanents, which was clearly done to keep them from getting broken by casting free Brainstorms, counters, Lightning Bolts, Swords to Plowshares, etc
And I do mean incredibly flavorful
The political element of the card is going to make it good in multiplayer in many of the most beloved blue archetypes, such as Group Hug, and its price is still low
Skullclamp is particularly famous for the seemingly-innocuous change during development from granting +1/+2 to +1/-1, while also reducing the Equip cost to a single mana
Legendary Creature Avatar Wizard Uncommon Livia Prima 2/4 NOT LEGAL Standard NOT LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Flash You may cast sorcery spells as though they had flash
Ken gets a lot of extra millage from double strike
