Qlipper Launch

Normal Trap

Until the end of this turn, all Normal Summoned/Set "Qli" monsters currently on the field gain 300 ATK, but are unaffected by other Spell/Trap effects, also their effects are negated.

Rulings – Yugipedia

Printings:

The New Challengers: NECH-EN074 (Common) - 2014-11-06
2015 Mega-Tin Mega Pack: MP15-EN183 (Common) - 2015-09-17

Prices:

Cardmarket: 0.06 €
TCGplayer: $ 0.08