Dio Brando, the World

Menace, Haste, Lifelink
{b}{r}, Pay 2 life; Regenerate Dio.
If an opponent would play a spell in response to
a spell you cast or ability you activate, they take
damage equal to its cmc.
If a creature would die from damage from Dio,
return it to the battlefield under your control,
except it has -1/-1, and is a Black Vampire in
addition to its other types.