It's not relevant for the domain mechanic because the types of the lands arent altered, only the color of mana produced
Torracat can be obtained from Mega Rising: Mega Gyarados pack in the Mega Rising set
Jason Alt: If this could cast any kind of spells, this could replace Temple of the False God in EDH decks, but since it can only cast colorless spells, I dont see that happening outside a handful of decks
If you want to learn more about this strange new world of Magic mechanics, here's an early look at some of the new and returning mechanics you'll see in Magic: The Gathering | Star Trek
Because of this the card is difficult to deal with for some decks
Starting the game with 4 Life and a standard 5000 power stat, her design exploits the synergy of both colors, allowing players to utilize yellow cards that manipulate health pools alongside blue cards that focus on card draw