Tome of Harvests (Blue)

As an additional cost to play this, put a card from your arsenal on the bottom of your deck.

Draw 3 cards.

Go again

Rulings

From the Tales of Aria release notes

You cannot play Tome of Harvest if you do not have a card in arsenal.
You cannot put Tome of Harvest from your arsenal on the bottom of your deck as you play it from your arsenal.
It is possible to draw the card you put on the bottom of your deck as an additional cost if there are less than 3 cards in your deck when you play Tome of Harvest.

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)