Clarent

Equipped creature gets +2/+1 and has dethrone.
Threshold - Equipped creature has trample and
"{r}: This creature gets +1/+0 until end of turn." as long as seven or more cards are in your graveyard.
Equip {3}{r}
This radiant sword glowed with a royal aura. Cursed
by Morgan le Fay, it became Mordred's wicked blade.