yugioh card sleeves small 200 Pack Sleeve Compatible with Yu-gi-oh Card Sleeve Japanese 62x89mm Vanguard cards TitanShield (150 Sleeve/Red) Small Japanese

Only a few of these cards were ever made, and one was sold for $90,000

C Common ST Starfoil Exarion Universe X DARK Level 4 [ Beast-WarriorEffect ] ATK 1800 DEF 1900 During your Battle Step, if this card attacks a Defense Position monster: You can make this card lose exactly 400 ATK, and if it does, it will inflict piercing battle damage

they abuse the same mana mechanics as Black Lotus and were cut from the games core card set for the same balance reasons it was

In "Nature Of the Draw", there's a scene where Damon climbs up a waterfall, and LK tells him "don't go chasing waterfalls

Lastly, there's the question of Underworld Breach, Yawgmoth's Will, Monastery Mentor, or some combination of these