One great leverage point is general token doublers, like Mondrak, Glory Dominus and Doubling Season, which are less efficient than Xorn but also less restrictive
Exdeath, Void Warlock / Neo Exdeath, Dimensions End Rating: 5/10 A 3/3 that gains 3 life is great
Chronatog might be one of the worst, but almost all of the atogs are well below the power levels of modern creatures
Some of these names rely on fan translations provided by PokBeach, so their final English names may differ
One of its notable appearances is in the Pokmon Sword and Shield games, where players can encounter it in the Wild Area and during specific story events
The only two drawbacks I can think of in this respect are the lowly 1 toughness compared to Wall making it easier to burn out the way (still offering a 2 for 1...) and that it costs two coloured mana and not one