Gauntlet of Might [Unlimited Edition] IDW Comics 2014 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: Unlimited Edition Type: Artifact Rarity: Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

(They can't be blocked except by artifact creatures and/or black creatures

if Nether Shadow is in your graveyard with three or more creature cards above it

Gauntlet of Might [Unlimited Edition] IDW Comics 2014 the player can activate manaSet: Unlimited Edition Type: Artifact Rarity: Rare Cost: {4} Red creatures get +1 +1. Whenever a Mountain is tapped for mana, its controller adds an additional {R}.