one piece booster box op06 Trading Card Game Wings of the Captain Pack OP-06 [JAPANESE, 6 Cards] One Piece One Piece Trading Card Game

The actions that you can take are: Summoning a Glimmer : Playing a card from your hand by spending ink from your inkwell

[...] You should always ask first. Also, be a good neighbor while you play

Alternatively, if you cast it on an opponents turn and they dont deal enough damage to another opponent, you can use this to ensure that you lose 4 life and get the extra draw

a song can be played for free by exerting a character with the listed ink cost (or higher)

With other complementary artifact mana sources like Thran Dynamo and Grim Monolith, decks could count on being able to get the kind of mana you'd need to justify packing the cards that would let you use the mana from Metalworker to deliver the knockout blow, and their presence lets you turn that Metalworker mana into permanent giant amounts of mana rather than just a one shot deal

From the Unlimited Edition onwards the format shifted to 15 cards per Booster Pack