Ring of Oblivion

Equip {4}
Equipped creature gets two +1/+2 +{x}
counters and deathtouch where {x}
is equal to the number of
extra mana spent to equip Ring of Oblivion.
"The Ring of Oblivion has its costs,
but I am willing to pay those for ultimate power"
-Maickrox, Master Assassin