Ebon Praetor
{4}{B}{B}
Creature -- Avatar Praetor
5/5
First strike, trample
At the beginning of your upkeep, put a -2/-2 counter on ~this~.
Sacrifice a creature: Remove a -2/-2 counter from ~this~. If the sacrificed creature was a Thrull, put a +1/+0 counter on ~this~. Activate only during your upkeep and only once each turn.