Among the Trap Hole and Hole variants that currently exist in the game, Trap Hole isnt as useful due to its limited scope (only Normals and Flips, as opposed to the many summoning mechanics in the game)
You can find pretty much every effect on a legend, with cards like Ertai, Ressurected and Loran of the Third Path providing a huge amount of options, together with other legends-matter synergies like Reki, the History of Kamigawa
It's possible there's some crazy Ali Antrazistyle combo deck that can take advantage of it, which keeps it from being graded even lower, but Invasion of Arcavios looks like a Commander card to me
It introduced a number of new mythical Pokemon, such as Celebi and Mew
Every card below was checked against Scryfall for current Commander legality and price (June 2026)
Youre managing tempo, resources, synergy, and risk all in a system that rewards smart planning and punishes reckless greed