From the borderless cards of Aetherdrift , you can receive a common (0.5%), uncommon (0.5%), rare (0.9%), or mythic rare (0.1%) card
That's much more fun than a conventional board wipe, and makes almost every creature with a targeted damage ability into an optional Olivia Voldaren, which is even more surprising in non-Rakdos colors
MTG Murders at Karlov Manor mechanics The Murders at Karlov Manor mechanics start with Investigate, and the Clue tokens that come with it - not really surprising that this is in a set about detectives
Im just saying that pushes us into topdeck mode, where Drake Haven is probably at its worst
The artifact's effect is quite simple, allowing you to receive two colorless mana when tapped it's not the most groundbreaking ability, but it can be a nice bonus when building a deck focused on artifacts