- Tri-Blaze Accelerator
- Tri-Horned Dragon
- Triangle Knight
- Triangle Warrior
- Tribulldog
- Tribute Burial
- Tribute Doll
- Tribute to The Doomed
- Tribute Trade
- Tricky Spell 4
- Tricolor Illusion
- Tricular
- Trion Barrier
- Triple Star Trion
- Tripod Fish
- Troop Dragon
- Truckroid
- Trust Chain
- Trust Guardian
- Tuner's Barrier
- Tuner's Explosion
- Tuning
- Tuning Barrier
- Tuning Collapse