Mega Evolution rule: When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends. Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.

Catalog metadata

National Pokédex: 306
Imported from: Vendor Tools Public API catalog

Card details

Identity, type line, stats, and set references

Identity & printing

Name: M Aggron-EX (Holofoil)
Number: 154
Printed number: 154/160
Rarity: Rare Ultra
Variant: Holofoil
Language code: EN
Print ID: xy5-154-Holofoil

Type line & stats

Supertype: Pokémon
Subtypes

Battle

Abilities, attacks, weakness & resistance

Attacks

Megaton Slam120+
You may flip a coin. If heads, this attack does 120 more damage. If tails, this attack does 20 damage to each of your Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Weaknesses

Fire ×2

Resistances

Psychic -20

Market prices (catalog API)

eBay sold comps from the Vendor Tools public catalog — tap a condition below to filter sales, or refresh to pull new data into the catalog

Catalog pricing data as of 28 Mar 2026, 08:47

Guide prices and sold listings come from the Vendor Tools catalog API (eBay completed sales). Use Update prices to request a fresh pull from eBay (limited to once per 24 hours per signed-in user).

Catalog card record updated 28 Mar 2026, 08:47.

No condition guide prices yet. Use Update prices to fetch eBay sold data into the catalog.

Source API: https://api.vendortools.net

Listed on marketplace

Vendors currently listing this card/product on our marketplace. Click through to view or purchase (purchase flow coming soon).

M Aggron-EX (Holofoil)

Overview

Rules