I spent the majority of my first 10 hours in Arena playing against Sparky, trying out each of the decks in turn and raising my account mastery level to unlock more cards
There are fifteen or twenty cards (plus the dual lands) that would have sustained demand if they were reprinted, while the rest are only exciting because theyre so weird and old and scarce
From Duskmourn , I might consider a few copies of Popular Egotist as a complement to Mayhem Devil, supercharging Witch's Oven activations
Also, with Mono-Red Aggro being a highly played deck at the moment, Shock is currently one of the most played removal spells, which bodes poorly for a 3/2 creatures
It sets up two delayed triggered abilities: one that triggers when you win the flip, and one that triggers when you lose the flip
That it has toxic 2 is just a bonus