Foundry Inspector
Artifact Creature — Construct
Artifact spells you cast cost 
less to cast.
Automaton inspectors ensure that the Consulate's stringent standards for mass production are upheld.
3/2
Illustrated by
Commander Masters#385CommonEnglishLegality
Rulings
Sep 20, 2016
If an artifact spell has 
in its mana cost, choose the value for X first, and then reduce the cost by . For example, an artifact that costs with X chosen as 4 costs to cast if you control Foundry Inspector.
Sep 20, 2016
Once a player has announced an artifact spell, no player may take actions to try to remove Foundry Inspector from the battlefield before that spell’s cost is locked in.