Card Trivia:Heavymetalfoes Electrumite
- This card is named after electrum, an alloy of gold and silver.
- Fittingly, this monster is "Metalfoes Silverd" wearing her armor and that of "Metalfoes Goldriver".
- This card's ATK is also the average of the ATK of "Silverd" and "Goldriver".
- Fittingly, this monster is "Metalfoes Silverd" wearing her armor and that of "Metalfoes Goldriver".
- This card is the first Psychic Link Monster.
- It is also the first "Metalfoes" Extra Deck monster that is not a Fusion Monster.
- It is also the first Link Monster to list Pendulum Monsters as Link Materials.
- In Yu-Gi-Oh! Legacy of the Duelist: Link Evolution and in the official card database, this card mistakenly had the artwork of "Armed Dragon Catapult Cannon" instead.
