yugioh legacy of the duelist nordic deck Yu-Gi-Oh! - Relic Gungnir - LEHD-ENB27 - Common - 1st Edition - Legendary Hero Decks Yu-Gi-Oh! Legacy of the Duelist

Regarding old decks, Gardevoir-GX in a vacuum is probably a top contender, but with an actual metagame is a dangerous choice

It gets even harder

Activate only as a sorcery.) Creature - Demon Sepulchral Primordial Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) When this creature enters, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control

Counter a cycled Decree of Justice from making an epic-ton of Soldiers

Galaxy Foil Take Your Cards To The Stars From the depths of deep space comes the Galaxy foil printing of the Unfinity set

"WORLD DATELINES"