Nykthos, Shrine to Nyx [Theros] Black target player may put Regna

target player may put Regna into their hand from their library

Sacrifice Scalding Tarn: Search your library for an Island or Mountain card

If you would begin your turn while Time Vault is tapped

then reveal cards from the top of your library until you reveal a card with the chosen name

Nykthos, Shrine to Nyx [Theros] Black target player may put RegnaSet: Theros Type: Legendary Land Rare Cost: {T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)