If the metagame gets to the right place, I could imagine a place for Tooth Collector in delirium decks
During the Main Phase of your next turn, you can activate the effect of that Spell in your GY (even if you no longer control this face-up card)
With an offspring token on the board as well, you can have two tokens, two pump effects, or one of each
Cinderbones puts a -1/-1 counter on Gideon who shrinks to become a 3/3 human soldier on your turn instead of its usual burly 4/4
On fake product, you often see stretch marks or burn marks because the plastic is of lower quality and has difficulty handling the heat
The audacious artwork of Pikachu clutching a McDonalds mealcomplete with fries and a drinkbecame an instant cultural icon, cementing these cards as chase-worthy grails