The Reliable Guardian
| Name | The Reliable Guardian |
| Card Type | Spell Card |
| Property |
Quick-Play 
|
| Passcode | 16430187 |
| Status (TCG) | Unlimited |
Increase 1 face-up monster's DEF by 700 points until the end of this turn.
Expansions
| 2004-10-12 | Dark Beginning 1 | DB1-EN028 |
|
| 2004-03-01 | Starter Deck: Yugi Evolution | SYE-034 |
|
| 2003-10-24 | Magic Ruler | SRL-EN044 MRL-044 SRL-044 MRL-E044 |
|
| 2003-03-30 | Starter Deck: Joey | SDJ-033 |
|