TCGenius.ai
The Reliable Guardian
Quick-Play Spell
Increase 1 face-up monster's DEF by 700 points until the end of this turn.
Is it legal?
TCGUnlimited (3)
OCGUnlimited (3)
Master DuelUnlimited (3)
Rarity: Normal (N)
Genesys0 points
Price
About $0.02–$7.26 across printings and stores (as of Oct 8, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)
Price history & alerts
Printings
| Set | Code | Rarity |
|---|---|---|
| Dark Beginning 1 | DB1-EN028 | Common |
| Magic Ruler | MRL-044 | Common |
| Magic Ruler | MRL-E044 | Common |
| Starter Deck: Joey | SDJ-033 | Common |
| Spell Ruler | SRL-044 | Common |
| Spell Ruler | SRL-EN044 | Common |
| Starter Deck: Yugi Evolution | SYE-034 | Common |
Build a deck around The Reliable Guardian
Genny reads every card ever printed, builds a legal deck around this one, grades it against the current meta, and the simulator can test it hundreds of times.
Build with this card