The Krull Glaive

Cannot be controlled by a Black Creature.
Equipped Creature gains +2/0, +4/0 against
Black Creatures.
{t}: May attack up 6 Targets with 2 Attack Dice
within Burst 20. The order of Targets must be in
a Circular Direction. When attacking Black
Creatures, add 2 Attack Dice. You may keep this
Card Tapped. It will continue to Attack the Last
Creature it damaged for 2 Attack Dice, 2 more
for Black Creatures at the start of your upkeep.
Equip {2}