Dark Requiem Xyz Dragon

Flying, Trample
{3}: Place 3 -1/-1 counters on target creature. Dark Requiem Xyz Dragon gains 3 +1/+1 counters.
{2}: When this card is sent to the graveyard, regenerate it transformed.
"Dragon from the bleak, black pit! Fierce, fearless, ferocious fighter! Rise and master
the skies! Arise!"