Soulbleed Mage

Whenever a source you control causes you to lose life, put a +1/+1 counter on Soulbleed Mage.
When Soulbleed Mage dies, you draw X cards and lose X life, where X is the number of +1/+1 counters on Soulbleed Mage.
The proper rituals of incantation for Vazdurek spells were lost with their empire. The Covenant, still requiring their power, has substituted them for rituals of blood.