Question 1

How much is Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 worth?

Accepted Answer

Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 from OP-15 (JP) sells for €0.12 in Europe, as of 3 November 2026.

Question 2

Is Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 going up or down in price?

Accepted Answer

Down. Over 30 days, since 6 October 2026, its Cardmarket price has fallen 29%, from €0.17 to €0.12.

Question 3

Where does this price come from?

Accepted Answer

The European price is Cardmarket’s trend price, their daily estimate of what the card sells for now, from real sales. The US price is TCGplayer’s market price, from recent completed sales. Binderlist collects both every night and keeps each day’s price.

Question 4

What is the most valuable card in OP-15 (JP)?

Accepted Answer

Enel (Parallel 2) OP15-118 at €636.23 on Cardmarket, as of 3 November 2026.

Set	OP-15 (JP)
Number	OP15-055
Japanese name	使ってけれ‼ルフィ先輩ィ!!!
Rarity	Rare
Released	1 March 2026

Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 price

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Questions and answers

How much is Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 worth?

Is Go Ahead and Use 'Em, Mr. Luffy!!! OP15-055 going up or down in price?

Where does this price come from?

What is the most valuable card in OP-15 (JP)?

Most valuable in OP-15 (JP)