Favourite Visual Artist
All those that work on me.
Favourite Movies
Monty Python and the Holy Grail
Favourite Bands / Musical Artists
Rhapsody
Favourite Writers
The great guys that come up with the Magic books and flavor text.
Favourite Games
... I'm going to pretend you didn't ask that.
Favourite Gaming Platform
Eh, whatever Battlegrounds came out for.
Tools of the Trade
Lands, Creatures, Enchantments, Artifacts, Sorceries, and Instants.
Other Interests
Decking you, bringing your life total to 0, or getting an alternate win condition on you.