Tinker is super strong because it is both a tutor and a cheat spell all in one
Add a cost-reduction piece if your commander is spell-heavy, and consider High Tide if you're running 25+ Islands
response from LLM
Ruby/Sapphire Starter Deck List Improvements + Cards To Drop Most cards with Support or healing abilities on their own should go
Sets that primarily take place there : Antiquities , Legends , The Dark , Fallen Empires , Ice Age , Alliances , Mirage , Visions , Weatherlight , Urza's Saga , Urza's Legacy , Urza's Destiny , Portal Second Age , Prophecy , Invasion , Planeshift , Apocalypse , Odyssey , Torment , Judgment , Onslaught , Legions , Scourge , Coldsnap , Time Spiral , Planar Chaos , Future Sight , Dominaria , Dominaria United , and The Brothers' War Planeswalker natives (with planeswalker cards) : Bolas, Dakkon Blackblade, Freyalise, Jared Carthalion, Jaya, Jeska, Karn, Liliana, Teferi, Tevesh Szat, Ugin, Urza, Venser, and Lord Windgrace Dominaria was Magic 's initial homeworld and has been the setting for more Magic expansions than any other plane