You want to get rid of Chromatic Stars, Ichor Wellsprings, and Experimental Synthesizers, making this a no-brainer removal spell in many decks
The idea of an impossibly large mansion plays into the horror trope space we were exploring, so that's what got greenlit: A new plane 70's and 80's horror film inspired (and the technology level that came with that) A set that takes place solely inside a single mansion In exploratory design, the first question we asked was, "How do we keep this world from mechanically stepping on the toes of the planes of Innistrad and New Phyrexia?" Early on, we realized the horror we wanted to evoke relied on a specific mood and tone
When blocking you can double your blockers Power or even choose to double your attackers Power after which the creature dies end of turn
It has a strong ramp/counter ability, it just lacks the oomph to actually lead an entire deck
Decks that were already strong could now beat you in a whole range of new ways without ever having to tap out for more than a three mana-creature, and once that creature was on the table it felt like it both dramatically slowed your ability to attack and made the situation worse on a continual basis as every turn that went by meant another card (or often cards) available to the opponent to make Dr
