Psychic Venom [Beta Edition] Vampire Shaman Underground River deals 1 damage

Underground River deals 1 damage to you

Set: Commander's Arsenal Type: Artifact Rarity: Rare Cost: {5} Whenever an opponent draws a card

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Set: Planechase Anthology Planes Type: Plane — Moag Rarity: Common Whenever a player casts a spell

Psychic Venom [Beta Edition] Vampire Shaman Underground River deals 1 damageSet: Beta Edition Type: Enchantment Aura Rarity: Common Cost: {1}{U} Enchant land Whenever enchanted land becomes tapped, Psychic Venom deals 2 damage to that land's controller.