North Star [Legends] Urza’s Mine most now exist as pets

most now exist as pets of society's elite

Set: Limited Edition Beta Type: Sorcery Rarity: Rare Cost: {B} Remove Contract from Below from your deck before playing if you're not playing for ante

Set: Tempest Type: Enchantment Rare Cost: {2}{G}{G} Any player may cast creature spells with converted mana cost 3 or less without paying their mana cost and as though they had flash

The same is true for artifacts and enchantments

North Star [Legends] Urza’s Mine most now exist as petsSet: Legends Type: Artifact Rarity: Rare Cost: {4} {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)