Of the three, Catacomb Sifter is easily the most powerful, so thats where I gravitated: Creatures (21) 4 Catacomb Sifter 4 Sylvan Advocate 3 Deathcap Cultivator 1 Tireless Tracker 1 Ishkanah, Grafwidow 4 Grim Flayer 3 Verdurous Gearhulk 1 Noxious Gearhulk Planeswalkers (6) Lands (24) Spells (9) This list is a bit slower than the G/W list, but in exchange it gets to take advantage of delirium
You probably also wouldnt want to attempt to shuffle one of these cards
Sorcery Color tag templates(None) One with Nature Enchant creature Whenever enchanted creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle
But I would say that weve pulled back the confrontation level, because we feel that that will appeal to a lot more folks
Kozilek's Command is a decent instant speed removal, but paying into the CMC in some situations might be difficult
The human kingdom also receives plenty of attention, with Bard the Bowman and his later incarnation as Bard, King of Dale