You dont need to draw the specific mana for cards like Avatar Aang / Aang, Master of Elements, Atraxa, Grand Unifier and Scion of the Ur-Dragon
Triggering the ETB ability a second time without a sacrifice outlet means you likely wont get to attack with the reanimated creature a second time, but you get some nice value
It rewards skill over luck, offers no dead turns, and brings that one-on-one tension Magic players know so well
Rancid Earth If you have threshold, you can get something extra from Rancid Earth, like hitting small creatures
Some of the most powerful discard outlets include Faithless Looting, a staple across multiple Eternal formats like Legacy, Vintage, and even Pauper, Cube staple Dack Fayden, and Bazaar of Baghdad, the best discard outlet ever printed