Ironworks Overload is a Spell — you pay 4 mana and 2 gold, its effect resolves, and it is spent.
Flip Spell — Flip all friendly Golems. Each flipped Golem gains Double Barrel and Quickdraw until end of turn. Reduce the cost of all cards in your hand by 1 this turn.
Push past the limits. The limits were never theirs.
Ironworks Overload is a Spell — you pay 4 mana and 2 gold, its effect resolves, and it is spent. Mind the gold: gold refreshes to just 1 each turn, plus bonus gold from damage you dealt last turn, so time your deployment. Its card text carries the Quickdraw keyword — see below for the rule.
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