Like a lot of FF villains in later titles, he isn't the ultimate threat, but the person responsible for creating many of the problems you face
Considering that exiling things is pretty easy to do nowadays, Ketramose can easily turn into a card advantage engine
Creatures (6) Lands (25) Spells (29) If you think chaining Cryptic Commands is annoying, just wait and see how many Cryptics you can draw when you play a playset of Dig Through Times
Well, that and Diabolic Intent at number ten or something
4/3 Illustrated by Jeremy Chong Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
More modern designs like Garth One-Eyed and O-Kagachi might be considered to fall in this category, but those legends have a little leeway to focus into other areas depending on how the deck is built and what definition you might consider for value