Heres another example: consider Elephant Graveyard, a barely-playable land from Arabian Nights
Not only as the number one general in Dimir and the second most popular general in the format, but also due to the immense sign post she acted as for Wizards to take a return to Kamigawa seriously
I mean every Sven has flying
When it re-enters the battlefield, Dockside Extortionist will then make as many treasure tokens as artifacts and enchantments your opponents' control
This card can range from as low as $7.49 for a damaged copy, all the way up to about $30 or more for NM cards
The artifact requires a pretty high cost to get the chain started, though - four mana (or three and two life) to cast, then two mana (or one and two life), a tapped card and a sacrificed creature to set its ability in motion