![Border Guardian [Unstable]](http://www.thegamechamber.com/cdn/shop/products/480e3b96-f7fa-4dcc-a956-6b48d55097c9_800x.jpg?v=1591343598)
![Border Guardian [Unstable]](http://www.thegamechamber.com/cdn/shop/products/480e3b96-f7fa-4dcc-a956-6b48d55097c9_1024x.jpg?v=1591343598)
| Set: | Unstable |
| Type: | Artifact Creature — Knight |
| Cost: | {4} |
Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian.
Whenever you cast a black-bordered spell, Border Guardian can't be blocked this turn.
Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn.
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