When the Cadaver Caretaker deathrattle gets triggered, it'll buff your whole board via the Titus Rivendare + Catacomb Crasher combo. Use Monstrous Macaw to further proc Cadaver's deathrattle. Instead of Cadaver Caretaker, you may also use Lava Lurker if you've stacked it with a lot of Surf n' Surf deathrattles early.