yugioh zexal strongest number card S0: Utopic - MACR-ENSE2 The 20 Best Yu-Gi-Oh ZEXAL

After this effect resolves, neither player can special summon monsters except for Level/Rank/Rating 2 monsters for the rest of the turn, so the opponent cannot break the board with Nibiru, the Primal Being

And sold out

Mulligan more

Factor in the Harness/ ability on top of this, and its no wonder this card is so expensive

[6] Sheldon Menery, who was first introduced to EDH in 2002, while stationed at Elmendorf Air Force Base, then developed the format further culminating in his 2004 article, [6] [8] outlining the format on the Magic fan site Star City Games which "spread the word about it beyond his circle of judges for the first time"

Eggman are both Universes Beyond commanders that give your opponent the villainous choice of discarding cards or granting you a sizeable benefit