The abilities are definitely useful and can control the entire tide of battle or, you could only get utility from the -1 ability
It may be on the more expensive side once you add in the legendaries, but all of the pricey cards featured in this deck have been meta-defining and will continue to bring value to your collection.
Recovery can cover the early-game damage taken due to the lack of size in self-mill creatures
You can find one of these, The Soul Stone, in Magic: The Gathering | Marvel's Spider-Man
Chromicon is perfect for that
Merfolk players will be able to add blue Cavern of Souls to represent their favorite tribe in Modern, Krark, the Thumbless decks can feature a red Mana Crypt to forecast the impending doom in Commander, and the most inspired collectors can enjoy a display of the full rainbow in their home office, including one of the special three-color neon ink variants