Your maindeck list seems solid Tsunamii. Pretty standard list, but that has proven good results.
Regarding your sideboard, I would definitely add Mirran Crusader X2 or X3. It is very efficient against popular decks, such as Death Shadows and it sometimes sees play in maindecks according to the meta. Perhaps replace some of your grave-hate in your sideboard with Mirran Crusader? 2 Rest in Peace and 2 Relic seems a bit much, unless you know you're going to play against many graveyard-based decks.
I usually prefer spot removals to Stony Silence, as it hits our own vials, copters, clue tokens (and relic of progenitus if boarded in). I understand it is very strong against certain matchup, but I prefer cards like Disenchant, Suppression Field or Aura of silence and even Fragmentize, but that's my own opinion.
I also hope that Horizon Canopy will drop in price with Iconic Masters. These are much needed in my decks to help in long games.
I'm really hyped about the new land revealed, Field of Ruin! I'll definitely try them X3 in my Mono-W list! Or would 10 Land Destruction lands be too much?
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Jeska enters the battlefield with a loyalty counter for each time you cast a commander from your commandzone.
(0) Choose a creature. Until your next turn, whenever this creature would deal damage to an opponent, it deals three times that damage.
(-X) Jeska deals X damage to up to three targets of your choice.
Jeska can be you Commander.
Partner
Good to see that her +0 works with your opponents creatures too.
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https://youtu.be/PQmOERDrRDk
Personally happy with that reprint!
Ps: I can't upload a picture from my phone unfortunately
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Regarding your sideboard, I would definitely add Mirran Crusader X2 or X3. It is very efficient against popular decks, such as Death Shadows and it sometimes sees play in maindecks according to the meta. Perhaps replace some of your grave-hate in your sideboard with Mirran Crusader? 2 Rest in Peace and 2 Relic seems a bit much, unless you know you're going to play against many graveyard-based decks.
I usually prefer spot removals to Stony Silence, as it hits our own vials, copters, clue tokens (and relic of progenitus if boarded in). I understand it is very strong against certain matchup, but I prefer cards like Disenchant, Suppression Field or Aura of silence and even Fragmentize, but that's my own opinion.
I also hope that Horizon Canopy will drop in price with Iconic Masters. These are much needed in my decks to help in long games.
I'm really hyped about the new land revealed, Field of Ruin! I'll definitely try them X3 in my Mono-W list! Or would 10 Land Destruction lands be too much?