Holy Blade

When this card enters the battlefield, equip this card to any white non-artifact creature, including your enemies creatures
{w}{w} destroy target creature this is attached to. If it was a creature you controlled, gain life equal to it's toughness
If the creature this card is attached to kills a black creature card, both this card and the one the card is equipped to gets 1/1 counter
This blade holds the ancient power of the sun in it.Whoever holds it must be ready to take on the divines.