Our lording ogre is a bit expensive at 5 mana, but it triggers whenever nontoken creatures from any player die, and will be welcomed in any rat-focused deck
16 Imodane, The Pyrohammer Spread That Damage Burning your opponents has never felt better than with Imodane, the Pyrohammer in play
I think Ayara, First of Locthwain might be too much a holdover from the Bastion of Remembrance versions of this deck, and cutting that card and the sideboard splash of Tibalt, Cosmic Impostor lets you play all Snow-Covered Swamps and a couple of copies of Faceless Haven
Searching your library or graveyard for a basic land takes seconds.Holding Alt lets you zoom in on any card, which matters more than it sounds when you're trying to read a wall of text on a Lorwyn Eclipsed Blight Curse card mid-game.dangerThese mods use Magic: The Gathering card art without official licensing
Nissa, Ascended Animist is my choice for a mythic wildcard because it can generate huge creatures or be a massive game-winning mass pump
Blossoming Tortoise / Restless Cottage A slight cheat, but its hard to think about one of these cards without the other