machamp holographic pokemon card - 13/18 - Detective Pikachu Fighting Mountain Chopping (100) Discard the top 2 cards of your opponents deck. Machamp - 65/145 (Cosmos Holo)

Marwyn, the Nurturer While the top of this list would certainly feature the likes of Rofellos, Llanowar Emissary from Urzas Destiny , that card is actually banned in Commander due to the fact that it simply doubles up the mana you get from Forests an objectively overpowered effect

Targete Valgavoth, Terror Eater | Illustrated by Antonio Jos Manzanedo Niko, Light of Hope | Illustrated by Aurore Folny Hey, nerds

If you tuned in to the latest Lorecast from the folks over at Disney Lorcana, you'd have seen that Set 5 in this hugely popular TCG has been named Shimmering Skies

I think the best reasons to be UB are strong uncommons and removal