Ultimately Brutal Cathar is going to be a downgrade from Skyclave Apparition in an environment with Signets and other fast mana, but an upgrade over any other Fiend Hunter and also a card that presents a higher ceiling than Skyclave Apparition in games that center more around creatures
Using KCI, Myr Retriever, Scrap Trawler, and Mox Opal, you could produce infinite mana, then draw your whole deck with Pyrite Spellbomb and Ichor Wellspring
Shadowmoor Block When R&D talks about a new design component, there's a scale we use to talk about it
Described by Wizards of the Coast in Tolkienesque fashion as a traditional foil card printed in the Black Speech of Sauron, the chance of finding it in a pack is below 0.00003%, according to Hasbro
Whether its Kayas Ghostform which also protects from exile removal or Spider Umbra which gives green the ability to do the same for just one mana its a strategy worth considering
Fire Energy