The cards ability can be activated, unusually, on your opponents turn (albeit just once per turn!): when your number of Life cards reaches 0, you can add 1 card from the top of your deck to the top of your Life cards though you must then trash 1 card from your hand
This is a subtle card that, for a deck like this, is actually nuts
At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform this creature
Other people warped their mana bases and did massive damage to their decks to try and make good use of it, and many good players took far longer than they otherwise would have to recognize Zuran Orb due to the time they'd spent pointing and laughing at Dark Hearts
Meanwhile, we have an endless stream of jank like Fortune's Favor, Crumbling Vestige, Call the Bloodline, Rise from the Tides, and Blighted Fen