Gira, Queen of the Garoth

When Gira, Queen of the Garoth enters the battlefield, you may seach your library for a card called Gira's amulet and put it in your hand. Whenever a stalker enters the battle field, you may chose any ability that an
opponent's card has, Gira, Queen of the Garoth also gains that ability. You may cast mana to activate those abilities if needed as
if it was mana of any color.