Unique to a Zaxara Hydra deck is the inclusion of Villainous Wealth, a sorcery that allows you to exile and cast X spells from the top of another player's library
These are cards that could mechanically exist in Magics existing rules framework, and could be printed into a black-bordered set
Plus, with a few more meta-friendly upgrades, this starter deck could go toe-to-toe with some constructed decks
Under $10: Cryptbreaker, Zombie Master (if you're adding Urborg, Tomb of Yawgmoth), Balthor the Defiled, Crypt Ghast, Graveborn Muse, Grimgrin, Corpse-Born, Living Death, Dimir Signet, Beseech the Queen Pricey stuff: Sidisi, Undead Vizier, Relentless Dead, Lord of the Undead, The Scarab God, Mikaeus, the Unhallowed, Phyrexian Altar, Yawgmoth's Will, Vampiric Tutor, Demonic Tutor, Intuition, Cyclonic Rift, Tombstone Stairwell, dual lands, fetches, you know the stuff If you want to enhance your finisher potential even further, then adding Phyrexian Altar makes your Gravecrawler combos much more powerful, but that's a $70 investment
