Undead Thalia would be even more memorable than the corruption of Bruna and Gisela in Eldritch Moon , and there are a ton of cool things that could be done with the concept mechanically
Proliferate cards included in the build are Thrummingbird, Contagion Clasp, Steady Progress and Contagion Engine
Of course youre running creatures
The cause of this is because 1) Slivers are incredibly popular 2) we haven't had Slivers in a main set for a decade and reprints are few and far between, so supply is low 3) Sliver Swarm did a bad job reprinting Sliver staples
Ashling, Flame Dancer This red creature feels good in a prowess or Ruby Storm deck
That's why it's important to focus on pushing your mana curve down, with your ramp and interaction ideally being two to four mana cards, so that you can accelerate to your finishers and efficiently answer opposing threats