There are plenty of ways in Modern to scry in blue that already see fair amounts of play
4 Dramatic Rescue's Original Artwork Was Dramatically Altered The Japanese card art for Dramatic Rescue features a scantily clad woman with her arm stuck in a guillotine, reaching frantically for help as the blade comes crashing down
Since many rats are also black, you can use black-specific anthem effects to pump up your creatures, too
If you discard a card while a spell or ability is resolving, the triggered ability resolves after you've finished resolving that spell or ability
Bushwhack has that all-important modality
They each possess one of the Nordic Gods cards, Thor, Loki, and Odin, all of which are shown to be incredibly strong in their duel against Team 5D's