Sphinx Sovereign
Sphinx Sovereign {4}{W}{U}{U}{B}
Artifact Creature - Sphinx | Power/Toughness: 6 / 6
Flying

At the beginning of your end step, you gain 3 life if Sphinx Sovereign is untapped. Otherwise, each opponent loses 3 life.
Latest set: [ALA] Shards of Alara ( M · #196 )