Stonewall Confidence (Red)

Red Yellow Blue

Go again

Cards you control with cost 3 or more get +4

while defending.

At the beginning of your action phase, destroy this.

Rulings

From the Welcome to Rathe release notes

Stonewall Confidence must be destroyed at the beginning of your action phase, it is not optional.
Stonewall Confidence modifies the defense value of all cards you control with cost 3 or greater. This includes guardian cards and generic cards.

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)