For another, the decks would stay a lot more fun to play as new sets come out with room to incorporate other cards
Heroes Reunion probably seems like an odd card to be slotted higher than Call of the Conclave, but hear me out: Call of the Conclave is Watchwolf plus
Sets 1-4 (The First Chapter, Rise of the Floodborn, Into the Inklands, and Ursula's Return) already left Standard in the game's first rotation, back in September 2025
If it later becomes a creature and damage is dealt to it, that damage won't remove any loyalty counters
Does Casting a Card Always Use the Stack
If thats not fitting for the problem youre facing, you can also choose to have all creature tokens get -2/-2 until the end of the turn, which is going to be great against Wolf tokens, Zombie tokens, probably Human tokens and basically every other creature token too