| Thunder End DragonPhoton Shockwave · 044 | Photon Shockwave | 044 | Ultra Rare | €0.62 |
| Thunderforce AttackEgyptian God Deck: Slifer the Sky Dragon · 003 | Egyptian God Deck: Slifer the Sky Dragon | 003 | Ultra Rare | €0.18 |
| Thunder HandRise of the Duelist · 031 | Rise of the Duelist | 031 | Common | €0.03 |
| Thunder KidChampion Pack: Game One · 012 | Champion Pack: Game One | 012 | Common | €1.25 |
| Thunder King Rai-OhYu-Gi-Oh! GX Volume 2 promotional card · 001 | Yu-Gi-Oh! GX Volume 2 promotional card | 001 | Secret Rare | €3.20 |
| Thunder King, the Lightningstrike KaijuShining Victories · 087 | Shining Victories | 087 | Rare | €0.18 |
| Thunder Nyan NyanLegacy of Darkness · 059 | Legacy of Darkness | 059 | Rare | €0.25 |
| Thunder of RulerMagician's Force · 042 | Magician's Force | 042 | Common | €0.02 |
| Thunder Option TokenUnlisted Printings | Unlisted Printings | — | — | — |
| Thunder Sea HorseAbyss Rising · 098 | Abyss Rising | 098 | Secret Rare | $0.33 |
| Thunder ShortGeneration Force · 047 | Generation Force | 047 | Common | €0.10 |
| Thunderspeed SummonKing's Court · 006 | King's Court | 006 | Super Rare | €0.18 |
| Thunder UnicornDuelist Revolution · 040 | Duelist Revolution | 040 | Ultra Rare | $1.50 |
| Tidal, Dragon Ruler of WaterfallsLord of the Tachyon Galaxy · 039 | Lord of the Tachyon Galaxy | 039 | Rare | $0.13 |
| Tierra, Source of DestructionRaging Tempest · 027 | Raging Tempest | 027 | Super Rare | $0.19 |
| Ties of the BrethrenLegendary Decks II · 02 | Legendary Decks II | 02 | Ultra Rare | €0.02 |
| Ties That BindLegacy of Destruction · 053 | Legacy of Destruction | 053 | Ultra Rare | €0.30 |
| Tiger AxeTournament Pack: 1st Season · 012 | Tournament Pack: 1st Season | 012 | Rare | €0.17 |
| Tiger DragonCrossroads of Chaos · 036 | Crossroads of Chaos | 036 | Rare | €0.04 |
| Tigress in Silent ReposeBeyond the Brave · 082 | Beyond the Brave | 082 | Common | €0.05 |
| Tiki CurseStorm of Ragnarok · 079 | Storm of Ragnarok | 079 | Common | $0.08 |
| Tiki PeaceAlliance Insight · 089 | Alliance Insight | 089 | Common | €0.07 |
| Tiki SoulStorm of Ragnarok · 080 | Storm of Ragnarok | 080 | Common | $0.08 |
| Tilted TryBlazing Vortex · 066 | Blazing Vortex | 066 | Common | €0.11 |
| Tilting EntrainmentDarkwing Blast · 083 | Darkwing Blast | 083 | Common | €0.02 |
| Timaeus the Knight of DestinyDragons of Legend 2 · 001 | Dragons of Legend 2 | 001 | Secret Rare | €0.31 |
| Timaeus the United DragonBattle of Chaos · 003 | Battle of Chaos | 003 | Ultra Rare | €1.22 |
| Timaeus the United Magical DragonMaze of Muertos · 012 | Maze of Muertos | 012 | Ultra Rare | €3.98 |
| TimeaterPharaonic Guardian · 010 | Pharaonic Guardian | 010 | Common | €0.19 |
| Timebreaker MagicianBreakers of Shadow · 002 | Breakers of Shadow | 002 | Rare | $0.10 |
| Time Dimension HoleUnlisted Printings | Unlisted Printings | — | — | — |
| Time EngineRage of the Abyss · 072 | Rage of the Abyss | 072 | Common | €0.09 |
| Time EscaperGeneration Force · 024 | Generation Force | 024 | Super Rare | $0.07 |
| Timegazer MagicianSuper Starter: Space-Time Showdown · 010 | Super Starter: Space-Time Showdown | 010 | Super Rare | €0.07 |
| Timelord Progenitor VorpgateYu-Gi-Oh! ARC-V Volume 6 promotional card · 001 | Yu-Gi-Oh! ARC-V Volume 6 promotional card | 001 | Ultra Rare | €1.50 |
| Time MachineCrossroads of Chaos · 091 | Crossroads of Chaos | 091 | Secret Rare | €0.11 |
| Time Magic HammerDragons of Legend 2 · 009 | Dragons of Legend 2 | 009 | Secret Rare | €0.08 |
| Time MaidenBattles of Legend: Light's Revenge · 035 | Battles of Legend: Light's Revenge | 035 | Secret Rare | $1.53 |
| Time PassageStardust Overdrive · 052 | Stardust Overdrive | 052 | Common | €0.10 |
| Time PendulumgraphPendulum Evolution · 008 | Pendulum Evolution | 008 | Ultra Rare | €0.38 |
| Time ReloaderPhantom Nightmare · 026 | Phantom Nightmare | 026 | Common | €0.03 |
| Time SealPharaoh's Servant · 007 | Pharaoh's Servant | 007 | Short Print | €0.17 |
| Time-Space Trap HoleDuelist Alliance · 079 | Duelist Alliance | 079 | Secret Rare | $0.19 |
| Timestar MagicianPendulum Evolution · 009 | Pendulum Evolution | 009 | Ultra Rare | €0.30 |
| Time StreamBattles of Legend: Armageddon · 012 | Battles of Legend: Armageddon | 012 | Secret Rare | €0.11 |
| Time-Tearing MorganiteCyberstorm Access · 067 | Cyberstorm Access | 067 | Super Rare | €2.20 |
| Time Thief AdjusterGhosts From the Past · 012 | Ghosts From the Past | 012 | Ultra Rare | $0.76 |
| Time Thief Bezel ShipSavage Strike · 083 | Savage Strike | 083 | Common | €0.04 |
| Time Thief ChronocorderIgnition Assault · 018 | Ignition Assault | 018 | Common | €0.06 |
| Time Thief Double BarrelGhosts From the Past · 013 | Ghosts From the Past | 013 | Ultra Rare | €0.23 |