Would Graveyard decks like Meren of Clan Nel Toth want her as a reanimate engine
Still, this card is not perfect: Its difficult to build a deck that can make Murktide shine entirely, apart from UR Murk: cheap spells, counterspells and removals are usually a mix only playable in Izzet decks
Outside of the Creative Energy deck, pairing Hourglass with any cards that can untap it, such as Manifold Key or Seedborn Muse, can be quite strong
Narset probably has the distinction of being the card that has individually resulted in the greatest number of misplays, at least on MTGA
If we go another couple of days without data to suggest that Shelldock has been purchased consistently at the new price point, we can safely assume that itll go back down as more and more people race to the bottom and outnumber the demand sparked by the mill deck at GP Charlotte