Sword of Flame and Darkness

Equipped creature is +2/+2 and has wither and
afflict 3.
Whenever equipt creature deals combat damage
to a player, that player must sacrifice an artifact
and a creature card at random.
Equip {2}{b/r}{b/r} ({2}{b/r}{b/r}: Attach this artifact to
target creature you control. Equip only as a sorcery.)