Super Crashbug

Level 4 DARK/Fiend Effect
0 ATK / 3000 DEF

Cannot be Normal Summoned or Set. Must first be Special Summoned (from your hand) in face-up Defense Position, by banishing "Crashbug X", "Crashbug Y", and "Crashbug Z" from your Graveyard. Switch the ATK and DEF of all face-up Attack Position monsters on the field. There can only be 1 face-up "Super Crashbug" on the field.

Rulings – Yugipedia

Printings:

Generation Force: GENF-EN012 (Super Rare) - 2011-08-16

Prices:

Cardmarket: 0.29 €
TCGplayer: $ 0.20