So this deck is just hilariously brutal in MTG Arena, As I had made this deck specifically for MTG Arena. I don't think it will be playable in standard, but it would be a fun try. The reason I Put this deck in the standard category, is because the Arena category say all the cards are banned, when they clearly aren't.
So the whole point of this deck is to get all 4 Cabal Stronghold onto the battlefield to cast Torment of Hailfire to a counter beyond anything that your opponent can even answer to.
Now the strategy is to stall for as long as possible using board-wipes, like Bontu's Last Reckoning and Yahenni's Expertise, and fogs, like Haze of Pollen and Root Snare.
Getting to finisher requires the lands and stall cards, and that requires card draw. which Live Fast and Painful Lesson accomplish, and I do count Beneath the Sands and Grow from the Ashes card draw, just slow card draw. What's great about all these cards is they get to be done for free if you use Yahenni's Expertise.
Scapeshift to find Cabal Stronghold target your dual lands for find them, and always remember to keep at least one green mana open for fog.
Main guide I use:
-Fog when felt necessary
-Use Yahenni's Expertise when it gives use better tempo.
-Only use Bontu's Last Reckoning and Scapeshift when you know you are capable of surviving an additional turn. Try never to use Bontu's Last Reckoning + Yahenni's Expertise
, it's just a waste of board-wipes.
-Against Blue, use Torment of Hailfire when there is no blue mana, or too little amount of blue mana to counter the spell.
Side Board I leave to personal choice. But I'd suggest at least 2 Lost Legacy to control you opponents' decks better. Also Golden Demise + Yahenni's Expertise
is basically a 2 card version to Languish