Steam Vent Trap is a Spell — you pay 3 mana and 2 gold, its effect resolves, and it is spent.
All enemy creatures cannot attack this turn. Place a 0/1 Cover Token in each of your Middle Lanes.
Nothing moves through steam that hot.
Steam Vent Trap is a Spell — you pay 3 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 Cover keyword — see below for the rule.
The Showdown client runs right in your browser — no account, no download. Build around Steam Vent Trap and see how it duels.