Especially in white, there are many cards that can generate tokens, such as Raise the Alarm, so perhaps adopting many of them is the starting point
Root Manipulation was first released in the set Secrets of Strixhaven, illustrated by Elizabeth Peir
Final Reward: this is a very useful card
Another mechanic making its debut in Historic Horizons is called perpetually. When a card is modified perpetually by an effect, those changes stay with the card regardless of whether its in hand, shuffled into the library, on the battlefield, or exiled
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