| Words of War | ONS-244 |
| Workhorse | EXO-142 |
| World at War | ROE-172 |
| Worldgorger Dragon | JUD-103 |
| Worldspine Wurm | RTR-140 |
| Worn Powerstone | USG-318 |
| Wrap in Vigor | FUT-141 |
| Wrath of God | POR-39 |
| Wren's Run Vanquisher | DD1-19 |
| Wrench Mind | IMA-115 |
| Wrenn and Six | MH1-217 |
| Wrenn's Resolve | MOM-173 |
| Wretched Gryff | EMN-12 |
| Write into Being | FRF-59 |
| Xantcha, Sleeper Agent | C18-50 |
| Xorn | AFR-167 |
| Yahenni, Undying Partisan | AER-74 |
| Yargle, Glutton of Urborg | DOM-113 |
| Yavimaya Barbarian | INV-290 |
| Yavimaya Coast | OTC-342 |
| Yavimaya Elder | C18-166 |
| Yavimaya Granger | ULG-118 |
| Yavimaya Sapherd | DOM-189 |
| Yavimaya Scion | ULG-119 |
| Yavimaya's Embrace | APC-127 |
| Yawgmoth's Agenda | INV-135 |
| Yeva's Forcemage | ORI-208 |
| Yidaro, Wandering Monster | IKO-141 |
| Yisan, the Wanderer Bard | M15-209 |
| Yore-Tiller Nephilim (2 variants) | GPT-140 |
| Yosei, the Morning Star | IMA-39 |
| Yotian Soldier | BBD-249 |
| You Are Already Dead | NEO-129 |
| You Find Some Prisoners | AFR-169 |
| You Hear Something on Watch | AFR-42 |
| You're Confronted by Robbers | CLB-53 |
| Young Necromancer | MH2-110 |
| Young Pyromancer | M14-163 |
| Young Pyromancer | DDS-20 |
| Young Red Dragon // Bathe in Gold | CLB-210 |
| Young Wolf | DKA-134 |
| Youthful Knight | MM3-29 |
| Youthful Scholar | DTK-84 |
| Youthful Valkyrie | KHM-382 |
| Yuriko, the Tiger's Shadow | C18-52 |
| Yusri, Fortune's Flame | MH2-218 |
| Zacama, Primal Calamity | RIX-174 |
| Zada, Hedron Grinder | A25-156 |
| Zada's Commando | OGW-120 |
| Zealot of the God-Pharaoh | HOU-207 |