Garuda, Gore Queen

Deathtouch, Transference (This card is tapped unless equipped with an operator.)
This card costs {1} less to cast for each creature
in your graveyard.
If Garuda, Gore Queen deals damage to target player, creature or planeswalker, add one
prime counter to this card. If there are three
or more counters on it, remove those counters
and transform it.