The first place to look are ETB abilities like Loran of the Third Path, Skyclave Apparition, and Solemn Simulacrum
A 6/6 uncounterable commander with flash that makes your other creatures uncounterable, and grants them trample is just about as generically good as you can get
If you build right that could easily be 4 or 5 types from sorceries to lands to planeswalkers to enchantments
While the V-Union cards do look great (the artwork is fantastic), there are already obvious concerns about they will impact the game as some of the moves seem overpowered
Gengar's impact spans the vintage era of the late 1990s, the highly underrated Skyridge era, and today's ultra-modern releases
These cards feature a special "GX" and Pikachu with another Pokmon, and they are highly sought after due to their strong stats and unique design