Nunu, the Ogdoadic Remnant (Super Rare) - ANGU-EN001
Obelisk the Tormentor (Ultra Rare) - EGO1-EN001 - Unlimited
Obelisk the Tormentor (Ultra Rare) - YGLD-ENG02
Oboro-Guruma, The Wheeled Mayakashi (Secret Rare) - HISU-EN032
Ocean Dragon Lord - Kairyu-Shin (Ultra Rare) - LED9-EN017
Odd-Eyes Meteorburst Dragon (Super Rare) - PEVO-EN032
Odd-Eyes Pendulum Dragon (Quarter Century Secret Rare) - TN23-EN011 - Limited Edition
Odd-Eyes Pendulumgraph Dragon (Ultra Rare) - MP23-EN079
Odd-Eyes Phantasma Dragon (Secret Rare) - BLCR-EN075
Odd-Eyes Rebellion Dragon (Secret Rare) - MP16-EN078
Odd-Eyes Rebellion Dragon Overlord (Ultra Rare) - GFP2-EN004
Offering to the Snake Deity (Rare) - ANGU-EN060
Ogdoabyss, the Ogdoadic Overlord (Ultra Rare) - ANGU-EN009
Ogdoadic Calling (Rare) - ANGU-EN013
Ogdoadic Hollow (Rare) - ANGU-EN012
Ogdoadic Origin (Rare) - ANGU-EN011
Oh F!sh! (Rare) - GENF-EN069
Ojama Country (Ultra Rare) - GFTP-EN110
Ojama Green (Common) - DCR-EN056
One for One (Common) - SDBE-EN027 - Unlimited
One-Time Passcode (Common) - EGS1-EN031 - Unlimited
Onslaught of the Fire Kings (Super Rare) - SDOK-EN022
Opticlops (Common) - SBCB-EN112
Oracle of the Sun (Mosaic Rare) - BP02-EN087
Orcustrated Return (Ultra Rare) - GFTP-EN119
Orcustrion (Ultra Rare) - SOFU-EN045 - Unlimited
Painful Choice (Super Rare) - SRL-EN049 - Unlimited
Paladin of Dark Dragon (Secret Rare) - DRL2-EN018
Paladin of White Dragon (Common) - SBCB-EN185
Paleozoic Dinomischus (Common) - SR13-EN039
Paleozoic Dinomischus (Ultra Rare) - DUOV-EN098
Parametalfoes Azortless (Super Rare) - BLVO-EN039
