The life loss for your opponents will be fairly negligible, and every once in a while they'll get an extra ETB out of it, but none of that will compare with you returning your Myr RetrieverMyr Retrievers or The One RingThe One Ring every turn
It generates a ton of tokens and gives them all Haste
Leaping into the fray whenever she attacked, Ragavan made up for his 2/1 stats with his fierce reliability: hed show up every turn, without fail, even if he fell in combat the turn before
Just nine cards, hence the name Black Lotus, Ancestral Recall, Time Walk, Mox Pearl, Mox Sapphire, Mox Jet, Mox Ruby, Mox Emerald, and Timetwister offer unparalleled mana acceleration and card advantage
I have to try to build with it
Black offers you so many options for exchanging resources for power, and Toxic Deluge offers an extremely efficient sweeper at the cost of some of your life total