gundam gd01 booster box english Card Game - Newtype Rising (GD01) (Japanese) and Witch from Mercury from Edition Beta Gundam Card Game: Newtype Rising

The article doesnt even have much to do with mtg

He's a phenomenal sacrifice outlet, has discard synergy, proliferates on demand, distributes -1/-1 counters and therefore acts as removal, and even has protection from Humans as a built-in safety valve from the most popular creature type in Magic.

C Common SH Shatterfoil Performapal Friendonkey X EARTH Level 3 [ BeastEffect ] ATK 1600 DEF 600 When this card is Normal Summoned: You can Special Summon 1 Level 4 or lower "Performapal" monster from your hand or Graveyard

Then if you decide to turn it face-up at some point in that turn, it will meet its doom: upon the nearest SBA check, Rattleclaw Mystic will go into your graveyard