Cryptolith Rite [Shadows over Innistrad Promos] San Diego Comic-Con 2013 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

Exile Mnemonic Betrayal

Set: Iconic Masters Type: Sorcery Rare Cost: {B} Target player reveals their hand

Set: Limited Edition Beta Type: Creature — Orc Warrior Uncommon Cost: {1}{R}{R} {T}: Orcish Artillery deals 2 damage to any target and 3 damage to you

we finally have cause to rejoice

Cryptolith Rite [Shadows over Innistrad Promos] San Diego Comic-Con 2013 the player can activate manaSet: Shadows over Innistrad Promos Type: Enchantment Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color." The chant was incomprehensible, but its power was unmistakable.