Nightblood, Sapient Sword

Equipped creature gets +5/+0. If the creature has a color other than white in its mana value, it is also goaded.

At the end of your turn, if Nightblood is equipped to a creature, remove a Breath counter from it. If there are no more breath counters on Nightblood, sacrifice the equipped creature.
{s}: Put a Breath counter on Nightblood.

Equip {1}{w/b}

"Hello! Would you like to destroy some evil today?"
- Nightblood