Green Abishai

When Green Abishai enters the battlefield,
create three black 1/1 minion creature tokens..
Flying. Toxic: 2.
Toxic Breath--{g}{g}{g},{t}: All creatures target
player controls get -4/-0 until end of turn.
Detect Thoughts:--{u}{u}{u},{ut}: Counter the first
spell target player casts this turn.