Vial of Elf's Blood

Vial of Elf's Blood enters the battlefield with a
charge counter on it.
{t}: Put a charge counter on Vial of Elf's Blood.
{t}, Remove a charge counter: Draw a Card.
{t}, Remove 2 charge counters: Return target
creature card from your graveyard to the battlefield.
{t}, Remove 3 charge counters: Creatures you
control gain +1/+1, indestrucible, and vigliance
until end of turn.