The List
Ojutai's Breath - #DTK-67
Oketra's Monument - #AKH-233
Okiba-Gang Shinobi - #PCA-35
Okina, Temple to the Grandfathers - #CHK-280
Oko, the Trickster - #ELD-309
Old Ghastbark - #SHM-232
Old Gnawbone - #AFR-197
Olivia's Bloodsworn - #SOI-127
Olivia, Mobilized for War - #SOI-248
Oloro, Ageless Ascetic - #C13-203
Omen - #POR-62
Omen of the Sea - #THB-58
Omen of the Sun - #THB-30
Omenspeaker - #BBD-125
Ominous Seas - #IKO-61
Omnath, Locus of Rage - #BFZ-217
On Serra's Wings - #DOM-28
Onakke Ogre - #M19-153
Once Upon a Time - #ELD-169
Ondu Champion - #BFZ-149
Ondu Giant - #PCA-71
Ondu Greathorn - #BFZ-40
Ondu Inversion // Ondu Skyruins - #ZNR-30
Ondu War Cleric - #OGW-31
One with Nature - #SCG-125
One with Nothing - #SOK-84
Oneirophage - #MH1-60
Onslaught - #EXO-92
Opal Lake Gatekeepers - #DGM-16
Ophidian - #WTH-45
Ophidian Eye - #TSP-70
Opportunity - #ULG-37
Opportunity - #C17-89
Oppression - #USG-143
Opt - #DOM-60
Opulent Palace - #OTC-307
Opulent Palace - #KTK-238
Oracle of Nectars - #SHM-233
Oran-Rief Invoker - #DDR-17
Orc Sureshot - #FRF-78
Orcish Artillery - #10E-220
Orcish Cannonade - #DDN-28
Orcish Lumberjack - #DDL-44
Orcish Oriflamme - #EMA-140
Orcish Settlers - #WTH-112
Order of Midnight // Alter Fate - #ELD-99
Order of Yawgmoth - #DDE-11
Order of Yawgmoth - #USG-144
Oreskos Explorer - #C21-98
Oreskos Swiftclaw - #M15-22
Orim's Chant - #PLS-11
Ormos, Archive Keeper - #JMP-13
Ornithopter - #M15-223
Ornithopter of Paradise - #MH2-232
Orochi Eggwatcher // Shidako, Broodmistress - #CHK-233
Orvar, the All-Form (showcase) - #KHM-305
Orzhov Advokist - #C16-3
Orzhov Basilica - #C17-268
Orzhov Enforcer - #RNA-79
Orzhov Guildgate - #RNA-253
Orzhova, the Church of Deals - #GPT-162
Ossification - #ONE-26
Otherworldly Journey - #DDC-16
Oubliette - #2XM-100
Oust - #DDP-7
Outlaws' Merriment - #ELD-198
Outmaneuver - #USG-205
Outmuscle - #ELD-170
Outnumber - #BFZ-150
Overcome - #M20-186
Overflowing Basin - #M3C-362
Overgrown Armasaur - #RIX-141
Overgrown Battlement - #IMA-180
Overgrown Farmland - #MID-265
Overgrowth - #9ED-262
Overrun - #CMA-130
Overwhelming Encounter - #CLB-245
Ovinomancer - #DMR-64
Owl Familiar - #POR-63
Ox - #TOTJ-3
Oxidize - #P05-4
Pacifism - #M20-32
Pack Leader - #M21-29
Pack's Favor - #GRN-139
Pact of Negation - #A25-68
Pain Magnification - #DIS-121
Painful Lesson - #AKH-102
Painful Lesson - #BBD-154
Painted Bluffs - #AKH-246
Palace Jailer - #CN2-18
Palace Sentinels - #CN2-19
Paladin en-Vec - #10E-32
Paladin of the Bloodstained - #XLN-25
Palladium Myr - #CM2-207
Pandemonium - #TPR-149
Pandemonium - #EXO-93
Panglacial Wurm - #CSP-116
Panharmonicon - #KLD-226
Paradise Mantle - #MMA-211
Paradox Haze - #TSP-71