pokemon ex full art cards Dialga - Pokémon TCG Pocket Card [3] Secret Sword (50+) Does 20 more damage for each W Energy attached to this Pokemon Mega Blastoise EX 2016 Pokemon

This is fine for home storage, but very problematic for transport or if you need to stack the boxes

It's a prominent tool in Lotus Field combo decks in the format where it usually fetches the decks wincons Approach of the Second Sun or Omniscience

For Enchantress strategies, this is simply a cheap enchantment that provides card advantage

Artifact Mutation: hold it until the mid game to take out a bigger artifact and maximize how many tokens you generate

From there, its just target practice

About 95% (pure guesstimate) of Magics best creatures come from Moderns card pool, and makes the similarities between the two formats pretty obvious