Mirran Mettle
| Name: | Mirran Mettle |
| Cost: | G |
| Type: | Instant |
| Pow/Tgh: | |
| Rules Text: | Target creature gets +2/+2 until end of turn. Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts. |
| Set/Rarity: | Mirrodin Besieged Common |
