The main card draw options it gives us are all zero power, which is neat, and we have reasons to try Archetype of Courage and Destiny Spinner
Magic: The Gathering (MTG) is one of the most popular trading card games (TCG) in history, right up there with Pokmon and Yu-Gi-Oh
(Gabe and Tycho continually "kill" one another over ownership of a Pac-Man watch.) To fit the flavor, the card had to be an Equipment and it needed the ability to move back and forth in ownership between players
It steals early drops such as Ragavan or Esper Sentinel, takes away a worrisome Relic of Progenitus or Colossus Hammer and even gains control of an opposing Urzas Saga Token
Paying 2 each turn just isnt feasible, although I could imagine a world where sacrificing it could be beneficial, but this is highly unlikely with the powerlevel being where it is
Once you have your lifegain creatures at work, Speaker of the Heavens can pump out a 4/4 angel token each turn, and Griffin Aerie can quickly make an army of 2/2 flyers