Consider OP01-120 Shanks: The base Secret Rare, the Alternate Art, the Manga Rare, and the gold-stamped Winner Promo all have completely distinct market trajectories
Plus, it comes back to your hand when it dies, skirting around commander tax
9 Magicians' Combination Magicians' Combination is a continuous trap card that allows the user to negate the activation of a card effect once per turn by trading a Dark Magician or Dark Magician Girl on the field for a Dark Magician or Dark Magician Girl in the hand or graveyard
Randomized cards from the Adventure on Kamis Island set
The card reads You can tribute 2 monsters, inflict 1200 damage to your opponent, and with enough preparation you can just outright kill them without lifting a finger
You can refill your hand when you need to, be that because you put combo cards into exile to safeguard them for later or to skew the draw potential of a wheel