Strength of Prophecy

Level 4 FIRE/Spellcaster Effect
1500 ATK / 1400 DEF

Once per turn: You can shuffle 1 "Spellbook" Spell Card from your Graveyard into your Deck to target 1 face-up Spellcaster-Type monster on the field; increase its Level by 1 and its ATK by 500.

Rulings – Yugipedia

Printings:

Return of the Duelist: REDU-EN018 (Common) - 2012-08-24

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.14