Chosen Inquisitor

this creature gains the following effects based on the amount of other creatures you control that share a type with it.
1 or more- {2} sacrifice a creature: draw a card and reveal it, if you reveal an alien card, gain 2 life.
2 or more- {1}{t} detain target creature an opponent controls
3 or more- {2}{ut} you lose 2 life, scry 1