Use one of these four codes (all in caps) WITCH, SPIDER, GHOST, MINION. All are working with Rakuten's Toys R Us Lego stock. Up to $50 discount. No idea if this will ship, so YMMV. Need to have a Rakuten account to enter the codes and check out. Some sets, like the Silent Mary, add $5.99 for shipping, while other smaller sets seem to ship free.
A few sets below after 30% discount:
Star Wars Jedi Starfighter with Hyperdrive [rakuten.com]
(75191) $59.91 - OOS
Star Wars Jakku Quadjumper [rakuten.com]
Pirates of the Caribbean Silent Mary [rakuten.com]
(71042) $166.90 - OOS