Trample, first strike
During your upkeep, put a -2/-2 counter on Ebon Praetor.
You may sacrifice a creature during your upkeep toremove a -2/-2 counter from Ebon Praetor. If the creaturesacrificed was a Thrull, also put a +1/+0 counter onEbon Praetor. Only one creature may be sacrificed in thismanner each turn.