Sadly there's no MTG Arena code for LotR cards - but check out the guide anyway, there's always a lot of fun stuff in there
[c] Deflecting Palm[/c] (x3): For a burn deck, Deflecting Palm is better than a typical damage prevention effect because it also redirects damage to the opponent
Since Andurils trigger occurs on attack, you can even double it with Isshin, Two Heavens as One, putting as many as four +1/+1 counters on your team
But the heavy reprint of cards from Sets 1-4 into Set 9 will still keep staples of some game mechanics and certain aspects of ink color identity
Otherwise, be prepared to face Thoughtseize every time you play against a black deck, be it against midrange decks like Jund, Deaths Shadow, Rakdos, Dredge, or combo decks like Yawgmoth or Esper Reanimate