It amasses more of a board presence, draws you cards, or deals burn damage
All of the Swords and many stax pieces can be brought back, forcing your opponents to work twice as hard to keep them off the board
Right up there with Ishihara GX, Pokedude and M Sachiko EX
This deck idea has been around for a number of years, but it's grown in acclaim recently, seeing good results on MTG Online and Modern tournaments
The most powerful decks of the past formats have been those capable of setting up a checkmate situation (Yata), swarming the field with monsters (Teledad, Lightsworn), or just executing a combo to leave the opponent without resources (Wind Up, Infinity w/Thrishula)