Wu Spy
Wurmcoil Engine
Wydwen, the Biting Gale
Xantid Swarm
Xenagos, God of Revels
Xira Arien
Yavimaya Elder
Yawgmoth Demon
Ydwen Efreet
Yellow Scarves General
Yidris, Maelstrom Wielder (FOIL)
Yore-Tiller Nephilim
Yosei, the Morning Star