Sword of Souls

Whenever a creature dies, put a spirit
counter on sword of souls
Remove a spirit counter from sword of souls and
equip it to target creature you control,
equipped creature get's +X+X where X is the
amount of spirit counters on sword of souls
"A sword which tortures the souls of my enemies
and favors the souls of my friends who willingly
place their help with me after death,
both strengthen the sword and by extension
myself" - Tirien King of Duvin