Then during the Main Phase, you can equip 1 appropriate LIGHT Machine Union monster from your Deck to this card as an Equip Spell, with the only downside of locking you out from Special Summoning monsters from the Extra Deck, except LIGHT monsters, which isnt a downside at all
12/111 Pichu (Holo)
November 2003 Beatdown 2 Monsters 3 Gemini Elf 3 Luster Dragon 3 Mechanicalchaser 3 Summoned Skull 3 Goblin Attack Force 1 Injection Fairy Lily 1 Jinzo 1 Yata-Garasu Spells 2 Axe of Despair 1 Change of Heart 1 Dark Hole 1 Graceful Charity 1 Harpie's Feather Duster 1 Monster Reborn 1 Pot of Greed 1 Raigeki 1 Snatch Steal 2 Soul Exchange 3 Soul Release 1 The Forceful Sentry 1 United We Stand 1 Upstart Goblin Traps 1 Mirror Force 3 Royal Decree And that's it for this format
Since there are not actually that many free slots, I believe priority should be given to cards with high individual value, so in addition to the aforementioned Virtuous, I have adopted "Forbidden Holy Crown." Although these are spell cards, in this deck, being a spell card is a clear advantage as they can be recovered by Ritual Black Chaos
If it were to be regulated, it would not be surprising if it were to be banned from unlimited use at once, but at present it is unlikely that it will be