Its a black staple in decks that use the graveyard, ensuring that cards you mill arent wasted, and you can use your grave as a toolbox
I also love making my opponents stare at those massive, beautiful horns on Naktamun's far horizon
The tournament rules (found here) which come into effect on 1st October, 2012 are nicely summarised by Tobby Elliot on the DCI Magic Judges blog (found here)
These standard size card sleeves (66mm x 92mm) are perfect for MTG, Lorcana, and other trading card games
Dream Trawler and Nezahal are sort of looters in a roundabout fashion, and Tetzimoc can be a one-sided boardwipe by activating it in hand then looting it to reanimate
Plus, Hydra is a popular creature type, for some reason I'll never understand