While not nearly as busted as Phyrexian mana, this design space has a lot to offer and Im hoping to see more similar cards down the line as part of the current Phyrexian story arc
Powerful spot removal which doesnt really exist in other free spells, its a neat addition, and a powerful effect in the right meta
Keeping Arthur in play is easy enough, but youll still need protection spells for bounce and exile

And heres the full list of the cards you will find in the Amber and Sapphire deck: Bashful Hopeless Romantic x2 Christopher Robin Adventurer x1 Doc Leader of the Seven Dwarfs x1 Dopey Always Playful x2 Gaston Baritone Bully x3 Grand Duke Advisor to the King x1 Grumpy Bad-Tempered x3 Happy Good-Natured x2 LeFou Bumbler x2 Sleepy Nodding Off x3 Sneezy Very Allergic x3 Snow White Lost in the Forest x2 The Queen Commanding Presence x1 The Queen Regal Monarch x3 Painting the Roses Red x2 Belle Inventive Engineer x1 Cruella de Vil Fashionable Cruiser x3 Gaston Intellectual Powerhouse x1 Hiram Flaversham Toymaker x1 Judy Hopps Optimistic Officer x2 Owl Logical Lecturer x3 Philoctetes Trainer of Heroes x2 The Nokk Water Spirit x3 Winnie the Pooh Having a Think x1 Four Dozen Eggs x2 Fang Crossbow x2 Gumbo Pot x2 Pawpsicle x3 Finally, here are two other sample cards from the upcoming Rise of the Floodborn expansion

It no longer lets you cast every spell at instant speed, but that allows us to make cooler cards at better rates
Jaheira is also seen in the card Jaheira's Respite