Jaaga, Harsh Seer

Other Nagas and Snakes you control have "When
this creature dies, you may pay {u/b}. If you do,
scry 2."
Whenever a creature is put into your graveyard
from anywhere, you may exile it. If you do, put a
+1/+1 counter on Jaaga, Harsh Seer and you gain
1 life.
{2}, Sacrifice another creature: Jaaga phases out.