As with the Basalt Monolith + Rings of Brighthearth combo, blue is the color best suited for your tutors
So, should you play Mono-Black Treasure Discard in rotated Standard
On the other hand, a high cmc deck that wants to win on turns 10+ will want a higher land count so you can consistently hit your land drops on turns 5+
2 Be'lakor, The Dark Master Magic: The Gathering's expansion into the Warhammer universe brought with it a slew of powerful new Demons, and with it, this powerful new commander
Wincons outside of typical black combo pieces, especially the Revel in Riches and Marionette Master pieces to take advantage of those Treasures, are a bit lacking in Mari's supported creature types
Okay, maybe not strictly better, since the Treefolk type can matter