Breeding Pool is a dual land card from the Magic: The Gathering Ravnica Allegiance set, classified as Unknown rarity and numbered 246. Valued at approximately $12.73, it plays a significant role in many competitive decks due to its ability to tap for both green and blue mana. As a staple in formats like Modern and Commander, it remains a sought-after card for collectors and players alike, reflecting its utility and demand in the market.