Khimala, Spellthief Assailant

Hexproof
{2} : Khimala, Spellthief Assailant becomes the creature type of your choice in addition to its other types until end of turn.
{2}, Sacrifice a Contract : Destroy target creature that shares a type with Khimala, Spellthief Assailant.
{2}, Discard a creature card : Khimala, Spellthief Assailant's base power and toughness become the discarded creatures.