Because it's not enough to just win your next Commander battle, you have to win the right way
But red and green dont usually have trouble making a lot of mana
Due to its menace, its hard to block in the early game, and early drops that might normally keep back an early beaterlike Fog Bank, Typhoid Rats, Wall of Blossoms, or one of my favs, Black Catare going to have some serious difficultly stopping your Prodder until they have two creatures online
Let me walk you through how I find the best deals on booster boxes and how these methods continue to evolve today
If the ability triggers and the Urn isn't sacrificed (because it left the battlefield or changed controllers, for example), the exiled cards won't be returned to the battlefield
Essentially you get a choice of two 'sorceries' for the price of one, plus a value-generating creature if you wait till the late game