mtg card prices theros beyond death Magic The Gathering Booster Box Art by Mathias Kollros. MtG Trading Card Game Theros

As for the X spells themselves, that includes a rich variety of Hydras such as Hydroid Krasis, which is overwhelmingly strong even without Zaxara there to generate additional value on the side, along with other staple Hydras like Lifeblood Hydra, Protean Hydra, and the mighty Genesis Hydra

You can repeat this loop to draw your whole deck

Shivan Fire 5 Fiery Impulse 6 Unholy Heat 9 Here we have a bunch of Shocks that upgrade in some way to do more

Ammit Eternal Like Etched Monstrosity, this is a strong card that wont find a home so easily in formats like EDH, where its shrunk very fast

As a three mana enchantment, it can make a fine addition to many a deck