Aegis of Mirrodin

Artifacts you control have aegis 3(Whenever this permanent becomes the target of a spell or ability an
opponent controls, counter that spell or ability unless its controller pays {3}.)
Metalcraft- {1}{w}{u}:Artifacts you control gain indestructible until end of turn. Activate this
ability only if you control three or more artifacts.
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"Those meddlers will won't be touching our core any-
time soon."-Alissa Almes