TechnoBlade, Warrior Undying

Double strike, trample, haste, menace
Whenever TechnoBlade, Warrior Undying
attacks you may pay {2}{b/r}, if you do, destroy
target defending creature opponent controls
Totem 5 (If this creature is dealt fatal damage,
remove all damage and put a Totem counter on it,
when five or more Totem counters would be put on this creature, it is destroyed instead.)