Three of the Commander decks included in the set will contain legendary cards based on certain iterations of the Doctor, which players will be able to choose as their commander
These do see some play despite that huge drawback, as they can enter the battlefield untapped and pay for generic mana costs with no downside
Goblin Electromancer Ornithopter of Paradise Izzet Signet Thought Vessel Talisman of Creativity Cursed Mirror Enthusiastic Mechanaut Galzeth Prismari Bilbo, Retired Burglar Storm the Vault Sorcerer Class Vadrik, Astral Archmage Herald of Kozilek Rowan, Scholar of Sparks / Will, Scholar of Frost Kaza, Roil Chaser Mizzix of the Izamagnus Mana Geyser Etherium Sculptor Removal It's no surprise that red likes to deal damage, but throw blue into the mix, and you'll often find your damage paired with drawing cards of countering spells
#12 Winter Orb - Golden Age Welcome to prison, enjoy your stay
Something about the nature of the magic used to animate them makes them immune to phyresis (the process that turns things into Phyrexians)
On its own, a 1/1 that deals 1 when it enters the battlefield doesn't seem that powerful, but when combined with Witch's Oven, it could be looped every turn