Alyx Janguru

+2: Target creature gains +1/+1 and deathtouch until end of turn.
-4: Sacrifice a creature you control, target creature gains -X/-X where X is equal to sacrificed creatures power.
-7: You get an emblem with "Whenever a creature you control dies, all creatures you control gain a +1/+1 counter and has trample until end of turn.