mtg duskmourn most expensive cards target attacking creature gets +1/+0 and gains first strike until end of turn. MTG Split Up Showcase -

Legendary Planeswalker - Ajani Nikara, Lair Scavenger Partner with Yannik, Scavenging Sentinel (When this creature enters, target player may put Yannik into their hand from their library, then shuffle.) Menace Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life

Amethyst cards focus on magical glimmers and effects while the Steel cards have a more combative approach

That said, this remains a powerful sideboard piece against decks like Amulet Titan

The enters-the-battlefield ability is also great at helping filter away lands in the late-game to mitigate flood, and can also allow you to cycle away cards that are poor in the matchup in Game 1s, like Thalia, Guardian of Thraben in the mirror match or Reflector Mages against other control decks

1 Urborg Volcano