Dragon Ravine

Field Spell

Once per turn: You can discard 1 card, then activate 1 of these effects;
● Add 1 Level 4 or lower "Dragunity" monster from your Deck to your hand.
● Send 1 Dragon monster from your Deck to the GY.

Rulings – Yugipedia

Printings:

Dragunity Legion Structure Deck: SDDL-EN021 (Common) - 2011-03-04
Astral Pack Seven: AP07-EN012 (Super Rare) - 2015-06-04
Rise of the True Dragons Structure Deck: SR02-EN026 (Common) - 2016-07-07
Legendary Collection Kaiba Mega Pack: LCKC-EN072 (Secret Rare) - 2018-03-08
Mystic Fighters: MYFI-EN056 (Super Rare) - 2019-11-22
Quarter Century Bonanza: RA03-EN248 (Platinum Secret Rare) - 2024-11-07
Quarter Century Bonanza: RA03-EN248 (Quarter Century Secret Rare) - 2024-11-07

Prices:

Cardmarket: 0.65 €
TCGplayer: $ 0.58