Helgret Fireforge

Noncreature artifact spells you control cost {1} less to cast. Activated abilities of noncreature artifacts you control cost {1} less to activate.
Noncreature artifact spells your opponents
control cost {1} more to cast. Activated abilities of noncreature artifacts your opponents control
cost {1} more to activate.
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"Now, what'll I invent today?"