While it offers a unique effect, there are likely more efficient options available, such as Liliana of the Veil or Thoughtseize, which see more play in competitive decks
Illustrated by Wayne Wu Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
You dont need them all, but you should strongly consider having a few of them
It has a pretty epic level of anti-fun in terms of just how much fun it sucks out of games where it doesnt even show up, even games where neither player has it in their deck
Card I have to justify: Pinsir from Next Destinies (#1) Card that needs a bit more love: Celebi from XY Black Star Promos (#XY93) Card that needs to be in every Cube: Exeggcute from Plasma Freeze (#4) We'll start from the bottom up on this one
Unlike in the Pokemon video games, this type is actually a combination of three different ones merged together for convenience: Fighting, Rock, and Ground