Its primary ability will reanimate someones creature for you in order to either get its cool enters-the-battlefield trigger or do a little combat surprise
Once they have all of the pricing data (which again is based on current sales through their site), they are able to put together tracking charts and list out market prices, median prices and target buylist prices for anyone to view for free
Poliwhirl [1st Edition] #38 (Pokemon Base Set | Pokemon Cards) prices are based on the historic sales
[M] Gold Rush: 50x damage
You always cast the front face, and a TDFC always enters the battlefield with its front face up unless something explicitly says otherwise, such as Elesh Norn's last ability
From creature tokens, counters, score trackers or even notes, the possibilities are endless