Urza's Workshop [The Brothers' War Commander] World Championships 2023 lands you control have “{T}:

lands you control have “{T}: Add one mana of any color

Set: Outlaws of Thunder Junction Prerelease Promos Type: Creature — Hydra Rarity: Mythic Cost: {X}{G} Vigilance

Set: Sword & Shield: Brilliant Stars Type: Colorless Rarity: Promo Retreat cost: Colorless

And of course –  save room for pudding at the end

−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn

Urza's Workshop [The Brothers' War Commander] World Championships 2023 lands you control have “{T}:Set: The Brothers' War Commander Type: Land Urza's Rarity: Rare {T}: Add {C}. Metalcraft {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts. Urza eventually came to understand Tocasia's lessons on clarity of purpose. Perfection became his goal, and all other matters fell away in its pursuit.