Both of them make good Jund decks, but as Disa is the face Commander, this guide will focus on making her stronger
Similar to what we saw from the Amber/Ruby deck, cards like Gadget Hackwrench Brilliant Bosun and Baymax Personal Healthcare Companion have abilities that are affected by having a certain classification of the card in play
Right now, a lot of people are playing Magic, more so than ever in the history of the game, Rosewater explained in a recent-but-separate blog post
Pyretic Rebirth A raise dead thats actually a removal spell
Tezzeret the Seeker 6/10 This is by far and away the most onerous card I ever play in affinity
It usually sees play in Morph decks, but it's also an excellent choice for a Hydra deck, thanks to its two abilities that focus on creatures and generic mana costs