Nordic Relic Brisingamen

Normal Trap

Target 1 face-up monster you control and 1 face-up monster your opponent controls; the ATK of the first target becomes equal to the original ATK of the second target, until the end of this turn.

Rulings – Yugipedia

Printings:

Storm of Ragnarok: STOR-EN068 (Common) - 2011-02-08
War of the Giants Reinforcements: WGRT-EN088 (Super Rare) - 2014-01-17
War of the Giants: Round 2: BPW2-EN088 (Super Rare) - 2014-01-17
Legendary Collection 5D's Mega Pack: LC5D-EN198 (Rare) - 2014-10-23
Legendary Hero Decks: LEHD-ENB25 (Common) - 2018-10-04

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.06