Farek, Spark Hunter

: Whenever a legendary creature or planeswalker an opponent controls dies, you may exile it. If you do, put a loyalty counter on Farek.
-1: Choose target legendary permanent. If it is a creature, it gets -2/-2 until end of turn. Otherwise, remove two counters from it.
-6: You get an emblem with "At the beginning of your upkeep, each opponent sacrifices a legendary permanent."