Stinkfish

Hive mind
Whenever Stinkfish attacks, exert it.
Fish Worms you control get +0/+1.
{t}: Create a 1/0 Fish Worm creature token
named Scuttlebones with "sacrifice
Scuttlebones: target creature gets -1/-1 until end
of turn."
{t}, {x}: Put a Fish worm creature card with
converted mana cost X from your graveyard onto
the battlefield.