The only downside is that Slaking ex cannot attack if your opponent has no Pokemon ex or Pokemon V in play
Two players can sit down with the same deck type and end up playing completely different games
You do generally need at least two of them to keep things going, but youd be surprised how real of a strategy it is in this format
Kozilek can be found in the Eldrazi Unbound preconstructed deck, but for the textured foil version, youll have to crack open some boosters
However, that high Ink cost is something of an advantage in-and-of itself thanks to Tag Me In! a unique character ability that drastically reduces the cost of playing this character in the right situations
Hey, Obeka player, mind ending my turn and Ill try to take out this other threat for you next turn? Totally up to them, but its a fun tool to try and barter with