Its Goblins, Gathering

Madness {1} (If you discard this card,
discard it into exile. When you do, cast it
for its madness cost or put it into your graveyard.)
Create a 1/1 red Goblin creature token.
When Its Goblins, Gathering is put into your
graveyard from anywhere, you may pay {r}
and exile it. If you do, create a 1/1 red Goblin
creature token for each card named Its Goblins,
Gathering in exile.