Even with just a single Drowned Secrets on the battlefield, something like Merfolk Secretkeeper (both the adventure and creature modes) into Callous Dismissal on Merfolk Secretkeeper into Merfolk Secretkeeper again ends up milling 18 cards for a total of six mana, making it a great way to close out the game once our opponent's library starts to dwindle
Maybe you can make it work in the right deck, but theres almost always a better alternative than this
Shield of the Ages protects the player, costs only two, and can be used multiple times a turn
Pairs just as well with animation effects Cards like Tezzeret, Betrayer of Flesh and Karn, the Great Creator can already make these tokens move about and attack for free before transforming them
Happily for longtime fans, it seems as though the level of collaboration between the two art teams is unusually deep this time around
Youll get the most bang for your buck here by picking up relevant cards from the Game Changers list, like Smothering Tithe, Enlightened Tutor, and Necropotence