Gemstone Mine [Dominaria Remastered] Snake Whenever you cast your second

Whenever you cast your second spell each turn

Set: The Lord of the Rings: Tales of Middle-Earth Prerelease Promos Type: Legendary Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +3/+1

Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures

"When it turns round the black rock

Set: Phyrexia: All Will Be One Prerelease Promos Type: Land Rarity: Rare Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands

Gemstone Mine [Dominaria Remastered] Snake Whenever you cast your secondSet: Dominaria Remastered Type: Land Rarity: Rare Gemstone Mine comes into play with three mining counters on it. T, Remove a mining counter from Gemstone Mine: Add one mana of any color to your mana pool. If there are no mining counters on Gemstone Mine, sacrifice it.