Swing Fist, Think Later (Blue)

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As an additional cost to play this, discard a random card.

Go again

"Nobody says that about my Mama." - Thuk

Rulings

From the Crucible of War release notes

You must have at least one other card in your hand to pay for the additional cost at the time you play Swing Fist, Think Later.

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)