Question 1

How much is Boomerang Energy 738 worth?

Accepted Answer

Boomerang Energy 738 from MEGA Start Deck 100 Battle Collection (JP) sells for €0.39 in Europe and $0.15 in the US, as of 4 November 2026.

Question 2

Is Boomerang Energy 738 going up or down in price?

Accepted Answer

Steady. Over 30 days, since 10 October 2026, its Cardmarket price has stayed at about €0.39.

Question 3

Why is Boomerang Energy 738 priced differently in Europe and the US?

Accepted Answer

Cardmarket and TCGplayer are separate markets with their own sellers, buyers and supply. In the US it sells for $0.15 on TCGplayer, about €0.13, which is 66% lower than its €0.39 on Cardmarket. Prices are converted at the European Central Bank’s reference rate for the same day.

Question 4

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 5

What is the most valuable card in MEGA Start Deck 100 Battle Collection (JP)?

Accepted Answer

Pikachu ex 764 at €996.67 on Cardmarket, as of 4 November 2026.

Set	MEGA Start Deck 100 Battle Collection (JP)
Number	738
Japanese name	ブーメランエネルギー
Released	19 December 2025

Boomerang Energy 738 price

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Price history

Card details

Questions and answers

How much is Boomerang Energy 738 worth?

Is Boomerang Energy 738 going up or down in price?

Why is Boomerang Energy 738 priced differently in Europe and the US?

Where does this price come from?

What is the most valuable card in MEGA Start Deck 100 Battle Collection (JP)?

Most valuable in MEGA Start Deck 100 Battle Collection (JP)

Other prints of Boomerang Energy