Cosmic Rose Garden

{t}, Pay 1 life: Add {c}.
{t}: Create a colorless 0/1 Plant creature token
with defender named "Cosmic Rose Petal."
Creatures you control named "Cosmic Rose
Petal" have "{t}, Sacrifice Cosmic Rose Petal:
Add one mana of any color to your mana pool."
What manner of being tends this eldritch garden?