Personally, Im just pleased that we now have these unique cards included in Magic again, as they really add to the meta-lore of the game
The zombie Sliver has a mana cost of 3B with an ability that gives all Sliver creatures you control Afflict Two
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
Lets analyse that: Casting cost: Cathartic Reunion is better here because it doesnt force you to grab a Sacred Foundry early in the game
What does surprise me, however, is how strong this card is