Its Trinity Charge attack enables players to search their deck for up to three basic Energy cards and attach them to their Pokmon V in any way they like, providing a useful tactical advantage
This relies on a lot of repetitive cards to unleash Extra Deck mayhem, so this can be pretty easy to craft in Master Duel
Metalfoe is a relatively small pendulum engine that has a very wide scale range (1-8), provides a lot of synergy for any deck that likes destruction, and also can be used functionally on its own
The goal here is to Ritual Summon your Black Luster Solider Super Soldier using Beginning Knight and Evening Twilight Knight , OR using Charging Gaia the Fierce Knight or Arisen Gaia the Fierce Knight alongside a Level 1 monster, and once you do, leverage the power of the Super Soldier to win you the game
However, more than the effect itself, the fact that it is easier to use when going first, unlike Hornet which requires a destruction target, is what makes it important
Switch this Pokemon with 1 of your Benched Pokemon, then your opponent switches their Active Pokemon with 1 of their Benched Pokemon