Prushka, Bond Forged

Lifelink
Sacrifice Prushka, Bond Forged:
Add {3}{w}{g}. Spend this mana only to cast
creature spells. When Prushka, Bond Forged is
sacrificed, transform it. Activate this ability only
any time you could cast a sorcery.
{1}{g}{w}, {t}: Put a +1/+1 counter on another
target creature you control. If that creature is
named Riko, Abyssal Seeker, put two +1/+1
counters on it instead.