Lets analyse that: Casting cost: Cathartic Reunion is better here because it doesnt force you to grab a Sacred Foundry early in the game
I think this will fall back down to $15 or lower unless it starts getting adopted in a lot more decks
Ulamog, the Defiler $54.63 We have the regular version at about $0.30 more than the retro frame version of Ulamog
Bow of Nylea : Okay, technically this is an artifact, which could be a fly in the "no artifact" ointment except for the fact that its Nyleas weapon, so I think shell make an exception
Generally you want to make sure you have a two or three-color identity for a theme like this, and remember that the majority of your good enablers will be in Grixis colors: Brallin, Skyshark Rider plus Shabraz, the Skyshark Raffine, Scheming Seer Chainer, Nightmare Adept Rielle, the Everwise Soul of Windgrace Amber Gristle OMaul plus Agent of the Shadow Thieves (or Criminal Past) Slogurk, the Overslime Despite their contrarian approach to the Commander metagame, discard decks are capable of some truly disgusting lines and offer a huge range for individual expression
In a typical four-player game, this results in three hasty 7/5 attackers and three separate triggers to cast spells from graveyards without paying their costs
