The best ones are once again going to be removal spells like Overkill, Cloud of Darkness, and Lightning Bolt
You can just play it as a guy that generates mana
He essentially turns all your interaction into two-for-ones, letting you maintain card advantage in just about any Blue control, midrange, or combo deck
As a food commander, it might not achieve the same combos as its feline friend, and it's not an option due to color identity restrictions, but its still a potent engine for generating tokens and returning historic cards to your hand
The result of this interaction was previously unintuitive to many players: since that Saga had no chapter abilities, the game defined the "greatest number among its chapter abilities" as zero, and no matter how many lore counters that Saga had on it, it would be sacrificed as a state-based action once it wasn't the source of a chapter ability on the stack (usually right away)