Phyrexian Lotus

{t}, Pay 2 life: Add one mana of any color.
{b}{b}, {t}: Put an oil counter on Phyrexian Lotus.
{b}{b}, Pay 2 life: Phyrexian Lotus becomes a colorless artifact creature with power and
toughness each equal to the number of oil
counters on it.
As the oil spread, so did the disease.