A two-mana flying lifelinker that can disrupt your opponent's hand by stealing a card, Deep-Cavern Bat has seen plenty of play ever since it was released in last winter's MTG set Lost Caverns of Ixalan
This saw a bit of time in the red Standard decks of the day, although it fell off as Standard got more powerful
Once youve got Opts to help fix your mana, there is the question of whether you can afford to be greedy and replace some of the Essence Scatters with Essence Captures, as we see from Liam Carlton: Creatures (19) Lands (24) Spells (17) Sideboard My first inclination is that this is too greedy for too little payoff, but if its wrong, it might not be wrong by much
Every Commander deck wants more draw, and Shadow offers it in a fairly efficient package, with the Split Second potential thrown in as a nice bonus
However, the odd corollary to this is that getting a holo in every pack is enormously mitigated by just how few there are to collect