Whenever Shadow the Hedgehog or another creature you control with flash or haste dies, draw a card.
Chaos Control — Each spell you cast has split second if mana from an artifact was spent to cast it. (As long as it's on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Shadow the Hedgehog turns a fast, aggressive Rakdos board into a card-advantage engine: flood the battlefield with hasty and flash creatures, attack relentlessly, and refill your hand every time one of them dies. Use artifact mana (rocks and Treasures) to give your spells split second, making removal, combo pieces, and finishers nearly impossible to interact with. You win by going wide and aggressive while drawing through your deck.
Built-in card advantage that rewards aggressive trading and sacrifice
Split second on artifact-funded spells makes your key plays counter-proof and protects combos
Haste and flash synergies enable explosive, fast starts and instant-speed threats
Rakdos has elite removal, sacrifice payoffs, and Treasure generation
Card draw stops if your hasty/flash creatures don't die — board stalls can starve you
Reliant on artifact mana to power Chaos Control; artifact removal sets you back hard
No built-in lifegain in an aggressive plan; punished by burn and combat damage races
Vulnerable to board wipes that erase the wide board you depend on