mtg commander samurai deck Isshin EDH | Combat Deck Kentaro, the Smiling Cat is

Since Twin decks tend to make massive boards before killing you, Rakdos Charm can often be an Uno Reverse card that kills them instead with that last ability

Mana Drain deserves mention as a strict upgrade, but Counterspell is legal in more formats and more pivotal in the formats where it is legal

The ultimate is every Timmys dream, right

And because this card will also be legal across Magic's regular competitive formats, giant dinosaurs and terrifying demons alike could be swinging onto the table

It's still just better than a Staple-level card in Naturalize, with some Counterspell-esque and damage-dealing / combat add-ons