"Ninth Edition", +m/when(ever)?\s.*\s(becomes?\sblocked|blocks)/, +!bushido, +!flanking, +!rampage (3)
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature attacks or blocks, its controller loses 3 life.
Whenever Deathgazer blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.
Whenever Elvish Berserker becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.
Gatherer works better in the Companion app!