The trade-off is that your opponent gains life equal to that creature's power, but that doesnt matter much in a game
One of those is that this green, white, blue and black 4/4 has Flying, Vigilance, Deathtouch and Lifelink - but its mostly the other ability
(It's an artifact with ", Sacrifice this token: Add one mana of any color.") 10: Target player's life total becomes 1
Based upon what I had seen so far, Jeremy seemed to have very few actual win conditions, perhaps a few Air Elemental
As such sometimes it will be as weak as letting them chose
23,318 unique cards have been produced for the game as of September 2016 [101] many of them with variant editions, artwork, or layouts, and 6001000 new ones are added each year