Naturalize 2 is a rare Instant card from Mystery Booster 2 (MB2), collector number 579. Current market price: $0.24, TCGplayer market prices via Scryfall.
Destroy target artifact, enchantment, emblem, or gameplay tracker. (Trackers include play aids such as dungeons, city's blessing, and monarch. When you destroy it, the associated object or designation is removed from the game.)