palkia pokemon card Origin Forme V - 039/198 - Ultra Rare - Sword & Shield RarityRare Hit Points130 HP Colorless Pokémon TCG: Origin Forme Palkia

They are more unique because most have shorter print runs and were only present for one or two sets, but they're still worth looking out for

I look at things like the watermark matters and outside of the game assistance cards as being fun includes in Cube, the one-off mechanics like blurry, triple strike or protection from black borders all work within the rules of the game provided that youre open to the idea of them, the squirrel theme feels completely black border if the game allowed for more whimsy (easily a topic for another article), and a good chunk of the legendary permanents seem very well suited for Commander

Discard modes when at instant speed are also more useful

Include a mix of single-target removal (flexibility) and board wipes (reset button when you're behind)