Attack Gainer

Level 1 EARTH/Warrior Tuner Effect
0 ATK / 0 DEF

If this card is sent to the Graveyard as a Synchro Material Monster, select 1 face-up monster your opponent controls. The selected opponent's monster loses 1000 ATK until the End Phase.

Rulings – Yugipedia

Printings:

Starstrike Blast: STBL-EN014 (Common) - 2010-11-11

Prices:

Cardmarket: 0.24 €
TCGplayer: $ 0.15