Tablet of the Guilds [Return to Ravnica] AR8 it produces colorless mana instead

it produces colorless mana instead of any other type

Return 1 card on the field to the owner's hand

Set: HeartGold & SoulSilver: Triumphant Type: Psychic Rarity: Rare Retreat cost: Colorless

you can reveal this card in your hand to gain 500 Life Points

Tablet of the Guilds [Return to Ravnica] AR8 it produces colorless mana insteadSet: Return to Ravnica Type: Artifact Rarity: Uncommon Cost: {2} As Tablet of the Guilds enters the battlefield, choose two colors. Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is. It is rumored the Azorius paid an exorbitant sum to ensure its symbol would appear at the top.