While only affecting a single creature type restricts Cavern, typal decks can leverage this to ensure their threats get through countermagic, be they efficient merfolk, monstrous dinosaurs, or sneaky goblins
For example, Bill is always on the lookout for a deck that allows him to play a dragon and win
Dragon/Flying design combines two popular types Hero of the Hoenn legendary conflict First Mega Evolution revealed for Gen VI The shiny black version is heavily sought after Consistently strong in competitive formats Box legendary for Pokemon Emerald (2004) Central to Omega Ruby/Alpha Sapphire's Delta Episode Featured in multiple Pokemon movies Stage hazard in Super Smash Bros Mega Rayquaza was banned from standard competitive formats for being too strong
All permanents get destroyed at the next end step when this creature dies
Knights have been in the game since Alpha , and new knights are constantly printed
Meanwhile, The Superlatorium needs a neutral third party to decide which creature on the battlefield looks fastest, scariest, or weakest - if they choose the same answer you did, then you win a prize