Jace mainly shows up in superfriends decks or Jace tribal, while the Kenriths sometimes go in decks that want to draw and discard
I havent met them yet, but Ive heard reference to Halsin, Gut and Nine-Fingers Keene in conversations and in correspondence Ive happened upon
If you value having the absolute best condition label or love detailed feedback: Consider BGS
Alela, Artful Provocateur Breena, the Demagogue Candlegrove Witch Conciliator's Duelist Dawnhart Geist Dawnhart Wardens Defacing Duskmage Eriette of the Charmed Apple Eriette, the Beguiler Extus, Oriq Overlord Hopeful Initiate Hylda of the Icy Crown Imperious Inkmage Katilda, Dawnhart Martyr Katilda, Dawnhart Prime Killian, Decisive Mentor Killian, Ink Duelist Marina Vendrell Owlin Shieldmage Priest of Fell Rites Rinoa Heartilly Rinoa, Angel Wing Shadewing Laureate Shattered Acolyte Silverquill Apprentice Spiteful Squad Starseer Mentor Victor, Valgavoth's Seneschal Vihaan, Goldwaker Witch Enchanter Y'shtola, Night's Blessed
In relative terms such cards would be very powerful in Magic as they would probably just be strictly better than basic land or barely playable
