Both the Twelfth and Thirteenth Doctors are featured
Dark, Metal, and Dragon were all absent in the TCGs original iteration, with Dark and Metal-types not being part of the franchise at the time
Coins are earned from completing activities and will be spent on various cosmetics for avatars and decks, while crystals fund the purchase of booster packs and other playable cards
Though five mana to reanimate a creature is a rather steep cost, if you're able to fill your graveyard with mana-intensive Elementals, Horde Of Notions can allow you to flexibly cast splashy and game-winning cards when your opponents would least expect it.
Dark Wings Bring Your Downfall Ongoing Scheme (An ongoing scheme remains face up until it's abandoned.) Whenever you attack, create a 5/5 black Demon creature token with flying that's tapped and attacking
The double exile on cast is also obviously a lot better than the destroy and does much more work than the Infinite Gyre in terms of keeping you alive long enough to attack when you are not Corspe Dancing or Sneak Attacking