Even when cards were clearly thematically linked - as seen with Dark Magician and Dark Magician Girl - their effects would not interact in a way that incentivised players to use them together, this lack of synergy holding them back from success
Xyz: Once per turn, during your End Phase: Destroy the monster(s) on the field with the highest Level
Top commanders MTG: Atraxa, Praetors' Voice Edgar Markov Vivi Ornitier Teval, the Balanced Scale Baylen, the Haymaker The Necrobloom Kenrith, The Returned King Muldrotha, The Gravetide Tymna The Weaver The Gitrog Monster Isshin, Two Heavens As One Yuriko, the Tiger's Shadow Sauron, The Dark Lord The Ur Dragon Kaalia Of The Vast Lathril, Blade Of The Elves Pantlaza, Sun Favored Shroofus Sproutshire Atraxa, Grand Unifier Atraxa, Praetors' Voice While not quite the dominant force she was in 2016, Atraxa, Praetors' Voice still makes for a top commander
As an example, an Illustration Rare Drowzee from the Scarlet & Violet base set spiked to around $80 in value shortly after the English release due to hype and tough pulls, despite being a readily available card
X counter, and a very effective one at that
This guy is a beast of an attacker, and his static ability is great in an attrition-based Rakdos deck