First off, the deck was incredibly weak on card draw: I had Esper Sentinel, Strength-Testing Hammer with some ways to tutor it, and thats basically it
Besides being called Your Egg, which is just the best name for any card ever (I cast fireball on Your Egg, it is now boiled) its tap ability prevents people from targeting lands, lets you put Treefolk cards on the bottom of your library, and allows you to dump your entire hand of creature cards for no cost
A flavor win
Untap all creatures you control that attacked this turn
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Relive the series with iconic scenes, collect cards featuring your favorite characters, and master Avatar: The Last Airbender-themed game mechanics