Four Kings

Flying
Four Kings is a Boss (Bosses cannot attack and
take damage in -0/-1 counters)
Spells you cast cost {3} less to cast and your
opponents cost {1} more
When Four Kings dies or is exiled, It's owner
creates 4 4/4 black Four Kings creature tokens
with "When this creature dies, Create 2 2/2 black
Four Kings creature tokens"