Great Mastbreaker

This spell costs {4} less to cast if you only control
Horrors, Krakens, and/or Oozes.

Whenever a Horror, Kraken, or Ooze deals
combat damage to a player, create a token
thats a copy of Great Mastbreaker, except it is a
0/0 and isn't legendary. Put a +1/+1 counter on
it for each life opponents lost this turn.