Border Guardian
Artifact Creature — Knight
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.
Card Availability
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Other printings
Legalities
UNKNOWN
Brawl
UNKNOWN
Commander
UNKNOWN
Duel
UNKNOWN
Future
UNKNOWN
Frontier
UNKNOWN
Historic
UNKNOWN
Legacy
UNKNOWN
Modern
UNKNOWN
Oathbreaker
UNKNOWN
Pauper
UNKNOWN
Penny
UNKNOWN
Pioneer
UNKNOWN
Standard
UNKNOWN
Vintage