In decks like Ad Nauseam + Tendrils, the card is used either to get enough storm count by drawing free spells or to find your Tendrils of Agony win condition
Its reasonably costed, and comes with a hideaway clause, too
BPhillipYork: This would roll out pretty quickly and let you start drawing a lot, if you deck is built around aggro artifacts, artifact ramp, and Treasure you could conceivably be drawing a lot, very quickly
Eldrazi Plays like: Angels, Dragons, Dinosaurs Eldrazi arent always considered a typal deck, even if they look a lot like one based on the percentage of the deck that shares a creature type
That makes him a great early drop for the land-needy, while also giving you the body and presence that you are looking for
Cast Doomsday with Toluz connive trigger on the stack