Tibalt, Ascended Devil

Trample, Deity (This creature gains indestructible as
long as you control 4 or more other creatures that share
one or more creature types with it.)
Weaken (At the beginning of each upkeep, put a
-1/-1 counter on target creature)
Creatures with -1-/1 counters on it lose indestructible.
Whenever a Devil enters the battlefield, it deals
damage equal to its power to any target.