That's very strong, and many commonly played 3 or smaller toughness Commander Classics are killable with this, like Hate Bears like Esper Sentinel, Goblin Welder, Flametongue Kavu, Eternal Witness, Soul Warden, Ravenous Chupacabra, and loads more
Go for cards that show up in a multitude of decks so that you can switch if youre not happy with your choice
The new card is a promo on the December special issue of the Japanese manga magazine V Jump
NIM DEATHMANTLE Emerging from the high-powered Scars of Mirrodin block, Nim Deathmantle plays with one of the most underutilized kinds of reanimation: the defensive Reanimator card
The quality bar matters more here than anywhere else, because a bad binder page is how vintage cards acquired PVC haze damage in the 1980s and 1990s, a problem the modern hobby has largely solved but that still shows up in cheap imported pages