Ghúrgyjàn the Glutton

When Ghurgyjan the Glutton enters the battlefield, you may draw a card.
{t}: You may tap up to 3 opponent lands and
add their mana to your mana pool. They don't
untap during their controllers next untap step
'Ghurgyjan the Glutton consumes up to one hundred kilograms of raw, unprocessed food per day.'