the card needs to actively enhance your gameplan as a Werewolf deck
Buying by the pack can get expensive so in those cases I think if you want more cards you should buy Magic by the Booster Box
Letting players theoretically get a powerful card like Emrakul, The Promised End out in turn 4 saw Aetherworks Marvel banned
For one more mana, you can copy any token you control, triggering that effect safely
Creating two creature tokens, some food tokens, and upgrading cards with stickers is pretty good despite the limited number of uses
For example, if Warrior is the chosen creature type and you control Bramblewood Paragon, a Runeclaw Bear would enter the battlefield with an additional +1/+1 counter." Even these additional rulings don't add much complexity, and changing or adding Creature types to a card remains pretty straightforward