You can banish 1 "tellarknight" or 1 "Constellar" monster from your hand or Deck, and detach 1 material from this card
However, it's still a good way to get something like Dokuchi Shadow-Walker or Kami of Restless Shadows in exchange for a cheaper creature like Virus Beetle
Charizard ex: 151 (Special Illustration Rare) $308.32 The Generation's Top Charizard Last but not least is the SIR Charizard from 151, which stands out thanks to its unusual angle as well as the beautiful landscape that forms the scene around Charizard
Expert Interview Billy Lesnak
Two mana to kill a creature is a common effect and even though blue-white shouldnt typically get this effect, that doesnt change the fact that it is a balanced card
People who play card games know that card advantage is king, and if your opponent doesn't have any cards then they can't play the game, so discard is a particularly scary mechanic for card gamers