Underworld Dreams [Ninth Edition] XY162 it produces colorless mana instead

it produces colorless mana instead of white mana

Sometimes he gets mad and that is dreadful

exile up to two target cards from that player's graveyard

Set: Lorwyn Type: Legendary Planeswalker — Liliana Rarity: Rare Cost: {3}{B}{B} +1: Target player discards a card

Set: Structure Deck: Cyberse Link Card type: Quick Play Spell Rarity: Super Rare Target 1 Cyberse monster you control

Underworld Dreams [Ninth Edition] XY162 it produces colorless mana insteadSet: Ninth Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B} Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player. "In the drowsy dark cave of the mind, dreams build their nest with fragments dropped from day's caravan." Rabindranath Tagore