Stone Giants of the Mountains

You may Stone Giants of the Mountains as if
it had flash if there are three or more instants
or sorcery spells in your graveyard.

Whenever Stone Giants is delt damage it deals
one damage to each creature and planeswalker.

Bilbo ... saw that across the valley the stone-giants
were out, and were hurling rocks at one another for a
game, and catching them, and tossing them down into
the darkness.