Rulings

• The types of mana are white, blue, black, red, green, and colorless.2017-11-17
• If a land you control produces multiple mana of more than one type, Vorinclex's first triggered ability adds one mana of only one of those types. You choose which of those types it adds.2017-11-17
• If Vorinclex leaves the battlefield after its second ability has triggered, that ability still resolves and the affected land won't untap during its controller's next untap step.2017-11-17