This card shuts down planeswalkers, makes your spells cheaper, and even gives your creatures a little boost on the battlefield
With the right deck, and maybe some plays with You Came Back, you can get some incredible turns going, driving up those Lore counters and taking out some of your opponents characters
I beat Dredge Game 1 last weekend with zero graveyard hate because I was able to Judgment, Supreme Verdict, and Terminus them in their draw and combat steps to completely run them out of Ichorids and Bridges from Below
When I need to find several of the same basic land for say: a Commander deck, and wanting the basics to be all from the same plane, this really speeds up finding the right cards
Your Murktide will get bigger the longer you play, too, with it gaining new +1/+1 counters anytime an instant or a sorcery card leaves your graveyard
While the original poison cards were my focus here, theres a reason that most players recognize cards like Blighted Agent and Inkmoth Nexus but not Pit Scorpion