Mox Poison [Unknown Event] Normal This mana can't be spent

This mana can't be spent to pay generic mana costs

Set: The Lord of the Rings: Tales of Middle-Earth Prerelease Promos Type: Legendary Creature — Avatar Horror Rarity: Mythic Cost: {3}{U}{B}{R} Ward—Sacrifice a legendary artifact or legendary creature

Hedron Grinder

+1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance

Set: March of the Machine: The Aftermath Type: Legendary Creature — Human Warrior Cleric Rarity: Mythic Cost: {1}{R}{G} First strike

Mox Poison [Unknown Event] Normal This mana can't be spentSet: Unknown Event Type: Artifact Rarity: Common Cost: {0} T: Add one mana of any color. You get two poison counters.