Border Guardian
~$0.10 low · ~$0.26 high
Colorless. Artifact Creature — Knight
Unstable #140 · Illustrated by Chris Seaman
Unstable #140 · Illustrated by Chris SeamanWhat is Border Guardian worth?
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TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.
Oracle text
Whenever you cast a silver-bordered spell, put a +1/+1 counter on this creature.
Whenever you cast a black-bordered spell, this creature can't be blocked this turn.
Whenever you cast a white-bordered spell, this creature gains double strike until end of turn.
1/1
Format legality
The only printing of Border Guardian
| Printing | Rarity | Non-foil | Foil | Cardmarket (EUR) | My collection |
|---|---|---|---|---|---|
 Unstable ust #140· 2017uncommon· Cardmarket €0.11 · €0.56 foil | uncommon | $0.10 | $0.26 | €0.11€0.56 foil |
Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.
Where to buy Border Guardian
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Card details
- First printed
- 2017
- Printings
- 1
- Mana value
- 4
- Artist
- Chris Seaman
Rulings (1)
2018-01-19
Playing a land won’t cause any of Border Guardian’s abilities to trigger. But for the record, Unstable basic lands don’t have a border.
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