Pour the Mold (Red)

Put a Mechanologist item with cost 2 or less from your hand into the arena.

If you've boosted this turn, put a steam counter on it.

Go again

Rulings

From the Arcane Rising release notes

You may elect not to put a Mechanologist item into play when this card resolves.
The cost of a card is located on the top right corner.
The boost does not need to be successful. The item will still come into play with an additional steam counter on it if a non-Mechanologist card is boosted.
If you have boosted, the item comes into play with an additional steam counter on it, this cannot be responded to.
The item is considered to have entered the arena.

Keyword notes

Go again - Go again allows multiple actions to be played in a turn when usually playing an action with use up your action point, and therefore end your turn. A card with go again gives the controller of that card or activated ability 1 action point when it resolves.

When an action with go again resolves, its controller gains 1 action point.
Multiple instances of go again on the same card or activated ability do not stack. If a card or activated ability has multiple instances of go again when it resolves its controller gains 1 action point only.
If an action with go again does not resolve, its controller does not gain 1 action point.
You cannot reveal a card with no to Belittle. The card must have a value to its power that is 3 or less. (0 is a value)