Phyrexian Titan

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Phyrexian Titan enters the battlefield or attacks, you may sacrifice another creature. If you do, Phyrexian Titan deals damage to another target creature equal to the sacrificed creature's power.
The glory of Phyrexia is worth any cost.