Ruby Medallion (Foil Etched) [Commander Masters] Human Shaman the player can activate mana

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: San Diego Comic-Con 2015 Type: Legendary Creature — Human Cleric Rarity: Mythic Cost: {1}{B}{B} Lifelink

put a -1/-1 counter on each creature

"I swear this before all gods old and new: I will fight to my last breath

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {4}{W} Each creature deals damage to itself equal to its power

Ruby Medallion (Foil Etched) [Commander Masters] Human Shaman the player can activate manaSet: Commander Masters Type: Artifact Rarity: Rare Cost: {2} Red spells you cast cost 1 less to cast.