Collectors hunted down the ultra-rare variants from that era, but the base versions were largely confined to casual decks
and Mouse Armor to control the board with challenges, bounce the Goat back to your hand for free lore, quest with the Shapeshifter for huge lore gains, and protect him from retribution with Mouse Armor
If the creature doesn't meet any of the above exceptions and can attack, it must attack a player other than the controller of the spell or ability that goaded it if able
With that said, the Detective classification of cards in that deck really puts in the work as well
At the very least, many common cards can be used as ink , but they can also be used to shift stronger cards and support them
Other rare promo cards like the D23 Expo exclusives can also sell for very high values