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Acidic Dagger [Mirage]
| Set: | Mirage |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | 4 |
{4}, {T}: Whenever target creature deals combat damage to a non-Wall creature this turn, destroy that non-Wall creature. When the targeted creature leaves the battlefield this turn, sacrifice Acidic Dagger. Activate this ability only before blockers are declared.