diabolos deck yugioh Yu-Gi-Oh! - Diabolos, King of The Abyss (FOTB-EN061) - Force of The Breaker - 1st Edition Effect Monster Rarity Lair of Darkness - Darkest

Sonic pumps creatures with those speedy keywords and creates Treasure to jump ahead of the curve even faster

Part of a cycle that features the almost-as-broken Gaea's Cradle and somehow the hilariously unbroken Shivan Gorge, Tolarian Academy taps to make a mana for each artifact you control, which led to decks that would dump their entire hand of cheap artifacts, make a ton of mana by tapping and maybe untapping Tolarian Academy, and then use big card-draw spells like Windfall and Stroke of Genius to refill before eventually milling the opponent out with Stroke of Genius, potentially all on Turn 1

The consequences of this breakthrough are hard to overstate

M Charizard-EX #101/108 (holo): raw $40-60, PSA 10 $110-170