Queen of Darkness

+1: From your next end step to your next upkeep, prevent all combat damage.
-4: Put for -1/-1 counters on target creature. You get an Emblem with "Queen of Darkness remains in play if reduced to 0 loyalty counters"
-8: Search you library for one Dragon card of each mono-color and put them into play. Transform Queen of Darkness into Tiamat,Dragon Queen