Magnus, Forge Father

During your Upkeep, add a Crafting Counter
to Magnus, Forge Father.

Crafting — Remove a Crafting Counter from this creature, your next Artifact spell costs {2} less.

Forge Master — Whenever you cast a Artifact Spell, put a X/X Artifact Creature Construct onto the battlefield. Which X is the casted Artifacts mana value. Only do if this creature has a counter on it.