The reward you get for flipping Jerran is Ormendahl, the Corrupter, a reward that, while cool and powerful, might not feel worth the squeeze especially if it eats a Swords to Plowshares right after
Maybe graveyards were important back then, but I still dont see this working very often
We also have the three-cost artifact Urza's Incubator that chooses the type and then they cost two less mana
Among the most valuable of these cards include Lord of the Pit, Merfolk of the Pear Trident, and with Swords to Plowshares taking the top spot at $998.99 for a copy at the time of this writing
Its started seeing some play in Standard and Pioneer control decks, though time will tell if it makes its way into other formats
Zedruu would see no Standard play, though that wouldnt stop people from trying