Psychopath's Shred-Suit

Equipped creature gets +2/+0, has deathtouch, menace, trample and haste, attacks each combat
if able, and has "Whenever this creature is dealt damage, sacrifice it."
Whenever Psychopath's Shred-Suit becomes unattached from a permanent, sacrifice that permanent and you lose 4 life.
Equip - Pay 2 life.