Innistrad has a large devil population, and the demons of the Cult of Rakdos on Ravnica are particularly prone to spawning devils
Thats trivial if you surround it with cards that roll d12 or d20, and you can use its abilities to roll dice, further feeding the synergies

My deck for the event ended up looking like this: Unknown Morska | Unknown Event Sealed | Paige Smith Commander (1) 1 Morska, Undersea Sleuth Creatures (22) 1 Azorius Arrester 1 Beastbreaker of Bala Ged 1 Courser of Kruphix 1 Coveted Falcon 1 Crowd-Control Warden 1 Evidence Examiner 1 Gravestone Strider 1 Greenbelt Radical 1 Griffnaut Tracker 1 Jaded Analyst 1 Karlov Watchdog 1 Plaxcaster Frogling 1 Protean Hulk 1 Selesnya Guildmage 1 Sharp-Eyed Rookie 1 Sky Hussar 1 Surveillance Monitor 1 Tenth District Hero 1 The Keeper of Favorite Cards 1 Topan Freeblade 1 Tunnel Tipster 1 Vannifar, Evolved Enigma Instants (4) 1 Ate-o'-Clock 1 Deduce 1 Eyes in the Skies 1 Reenact the Crime Sorceries (2) 1 Investi-Gate 1 Secrets of the Golden City Enchantments (5) 1 Aura Shards 1 Fae Flight 1 Guardian Project 2 Makeshift Binding Lands (26) 7 Island 8 Forest 8 Plains 1 Enchanted Prairie 2 Simic Guildgate You might be wondering what the three cards in here you can't see are

Provided they have some dorks involved in combat it can be used to take out the non-combat utility dorks as well
All of the graft creatures are 0/0 without the counters, so theyll usually die without any counters unless you have a way to boost their toughness
Manifest and Morph Manifest turns the top card of your deck into a creature