Ialai and Torol Sadeas

Exploit
Ialai and Torol Sadeas can't be blocked by
creatures with converted mana cost 4 or less
Whenever Ialai and Torol Sadeas or another
creature you control exploits a creature, you may
have target creature get -4/-4 until end of turn.
When that creature dies this turn, its controller
loses 4 life