Black Seeds of Ifnir

{t}, Sacrifice a creature: Create a colourless artifact token with "{t}, Sacrifice this artifact: Add one mana of any colour to your mana pool". Put a brick counter on Black Seeds of Ifnir.
{t}: Create a colourless artifact token named Black Lotus with "{t}, Sacrifice this artifact: Add three mana of any one colour to your mana pool". Active this ability only if there are three or more brick counters