Duergar Hedge-Mage is a uncommon Creature — Dwarf Shaman card from Planechase (HOP), collector number 101. Current market price: $0.38, TCGplayer market prices via Scryfall.
When this creature enters, if you control two or more Mountains, you may destroy target artifact. When this creature enters, if you control two or more Plains, you may destroy target enchantment.