This multicoloured creature makes all your other dragons cheaper even before you play it
Its a strange way to build a deck, but it can also be a lot of fun to mess around with
Its an enabler card in most games, but its potential to steal a game is very high
One thing that's interesting, and worth considering, is whether The Deck of Many Things is actually any better in a Mr House deck than in other dice-rolling commanders like Wyll or Farideh, Devil's Chosen
Also, if you didn't go first, you can also just wait to play your land for turn until after attacking with Cartographer's Hawk
From Battle for Zendikar to Ixalan, every block has had at least some nod to white/black draining life (Dominaria has repeatable life loss, but no W/B drain card)