"Lark Crowsbeak"

Menace
{1}{b}{b}: Regenerate (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Whenever a creature an opponent controls dies, create a token that's a copy of that creature except it has Vanishing 2 (This creature enters the battlefield with 2 time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)