Raphael, the Nightwatcher, taps into his ninja skills, giving him the Sneak keyword for three mana, and grants all your attacking creatures doublestrike, which is a pretty good combat trick
Build arounds as potentially powerful but undeniably narrow as Urza are hard to, well, build around
For the low cost of three mana, Shu Yun is a 3/2 with prowess, meaning its power and toughness increase until the end of the turn whenever its controller plays a noncreature spell
The Sliver Swarm Commander Masters Commander Deck set includes 1 ready-to-play White-Blue-Black-Red-Green deck of 100 Magic cards (2 Traditional Foil Legendary Creature cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack, 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card