Unlike a traditional card game, Magic: The Gathering has a focus on building your own decks and trading cards
Turn it face up any time for its mana cost if it's a creature card.) Instant Instant (CTRL to add secondary) Land Land (CTRL to add secondary) Protection Teferi's Protection Until your next turn, your life total can't change and you gain protection from everything
Unless of course they destroy your commander, so buyer beware
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
Your goal here is to swamp your opponent under as much value as you can find, so dont be afraid to splash out on these more expensive spells using all those Powerstones youre generating
That makes it a one-card army engine thats difficult to deal with and floods the board with a lot of horsepower