Wizards said it had removed six Beta cards - Contract from Below, Darkpact, Demonic Attorney, Earthbind, Weakness and Crusade - from the set due to failing to meet modern standards, as well as changing flavour text
The Necroblooms most interesting ability, though, is that every land in our graveyard has dredge 2
I'd argue it's either being mana flooded (if you've ever been the player at the table who is empty-handed and top decks lands for a couple turns in a row, you'll know what I mean) or mana screwed (see: basically every Commander Clash game from Crim's perspective)
I found it to be the way that I most enjoyed playing
With so many ways to reuse your cards, it feels as though were meant to be constantly turning our creatures sideways and attacking ferociously instead of playing a little more strategically