Spear of Cassius

Equipped creature gtes +3/+3 and first strike.

Equipped creature has "{x}, {t}: Destroy target
creature with less than or equal to X power" in
additon to its other abilites, If opponent controls one
or more angels, it instead has "{t}: Destroy target creature, untap this creature if an angel
is destroyed this way, this cannot be countered" in addition to its other abilites.

Equip legendary angel {6}