I have not personally built a Whisper deck for my meta, but after writing this article, I am teeming with ideas to terrorize the table
There is not much that can block a big Deaths Shadow, however, many of the common removal spells of the format can take care of it, until Lurrus Deaths Shadow and the namesake deck are emblematic for how Magic is played today, interrupt your opponent, play a cheap strong threat and counter whatever your opponent tries to play against you
And if you can put a single counter on this thing, it can become a real source of annoyance for your opponent
Instant Revivify Roll a d20 and add the number of creature cards in your graveyard that were put there from the battlefield this turn
Mild-Mannered Librarian Rarity: Uncommon TYPE: Creature SUBTYPE: Human CMC: 1 Mana cost: USD: $0.09 EUR: 0.09 TIX: 0.03 EDHREC RANK: 21558 (1/1) : This creature becomes a Werewolf
Whenever Old Man Willow attacks, you may sacrifice another creature or a token