Signoir, the Devourer

Flying, Deathtouch
Devour 3 (As this creature comes into play, you may sacrifice any number of creatures. This creature comes
into play with three times that many +1/+1 counters.)
When Signoir, the Devourer dies, return it to the battlefield at the beginning of your next endstep.
The night hungers for light, and so does the dragon.