Battleguard King

Level 8 EARTH/Warrior Effect
3000 ATK / 1100 DEF

Once per turn: You can Tribute any number of Warrior-Type monsters, except this card; for each Tributed monster, this card gains 1 additional attack during each Battle Phase this turn.

Rulings – Yugipedia

Printings:

Duelist Alliance: DUEA-EN017 (Common) - 2014-08-14
Star Pack ARC-V: SP15-EN020 (Common) - 2015-06-12
Star Pack ARC-V: SP15-EN020 (Shatterfoil Rare) - 2015-06-12
2015 Mega-Tin Mega Pack: MP15-EN073 (Common) - 2015-09-17
Demo Deck 2016: DEM3-EN010 (Common) - 2016-01-14

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.14