Jain, Lightsworn Paladin

Level 4 LIGHT/Warrior Effect Monster
1800 ATK / 1200 DEF

If this card attacks an opponent's monster, it gains 300 ATK during the Damage Step only. Once per turn, during your End Phase: Send the top 2 cards of your Deck to the Graveyard.

Rulings – Yugipedia

Printings:

Light of Destruction: LODT-EN018 (Common) - 2008-05-13
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN245 (Ultra Rare) - 2011-10-04
Dragons Collide Structure Deck: SDDC-EN020 (Common) - 2012-02-03
Ra Yellow Mega Pack: RYMP-EN100 (Ultra Rare) - 2012-02-17
Realm of Light Structure Deck: SDLI-EN007 (Common) - 2014-06-27
Battle Pack 3: Monster League: BP03-EN042 (Rare) - 2014-07-31
Battle Pack 3: Monster League: BP03-EN042 (Shatterfoil Rare) - 2014-07-31
Rise of the True Dragons Structure Deck: SR02-EN020 (Common) - 2016-07-07

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.01