(Until your next turn, it attacks each combat if able and attacks a player other than you if able.) Artifact Lazav, the Multifarious When Lazav enters, surveil 1
Lets discuss them in greater detail
The match only came to an end when Chris Claythe former head designer, I believe, of Magic Arena actually banned the player after nearly 2 hours, or 107 minutes to be exact, stating that it was pretty clearly against the terms of service to just keep looping Nexus of Fate forever without being able to win the game
It will shut down an opponent's creature by weakening its stats as well as preventing its activated abilities from being used
Cut a Deal is a card I admittedly passed over initially, but I think it fills a particular role that each deck wants at least some of: consistent draw that requires the least board investment to accomplish
Not only that, but quite a few Merfolk have some decent enter the battlefield triggers, like Silvergill Adept and Shipwreck Dowser