Mutavault A manland that animates for a single mana is great for aggressive decks that want to leverage every bit of pressure they can
A number alone leaves out all the important details that shape the game, such as how quickly the deck can win, how consistently it finds its best cards, and whether it runs combos, tutors, fast mana, stax pieces, or free interaction
Cut out the less impactful Merfolk and the deck runs a lot smoother, enabling you to drop those lands you've Explored onto the battlefield sooner with BurgeoningBurgeoning, doubling your triggered abilities withRoaming ThroneRoaming Throne, and reacting to your opponents with CounterspellCounterspell, Swan SongSwan Song, and Raise the PalisadeRaise the Palisade
This means buying an inner-sleeve (its a tighter fit, so the regular, or outer, sleeves can sleeve over them well)
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