Shelob, Dread Weaver checks decks that like to sacrifice creatures and bring them back, but unlike other similar cards like Kalitas, Traitor of Ghet, Shelob has a mechanism to pass through the big Spider and deposit an exiled creature back in its controllers graveyard
Its inclusion as an easter egg in this Final Fantasy and Magic: The Gathering set celebrates the franchises eccentric side, and by spotlighting a joke that some devotees might miss, the crossover deepens its identity and enriches the overall experience
On top of that, it's also a noncreature lord, giving all of your goblins a passive +1/+1 bonus
Guild Artisan is also a good option for B/R because of its treasure generation
After a few days of matches with this build, I realized what a nightmare Oblivion Stone was for us
The three cost instant redirects all targets from one spell or ability too, don't forget that last part