At 20,000 ($142), its both the most valuable card in the set and one of the most recognizable UR cards of the Sword & Shield era
These days, the term has grown to encompass all kinds of disruptive decks whose primary goals are to make life difficult for your opponents and to slow the game until the stax player can comfortably win
Perhaps the card that has helped Elves players keep up with the plethora of new removal options the most, Warmaster is one hell of a card
Hymn to Tourach (Honorable Mention) Trust me, you dont want to get hit by Hymn to Tourach
Well, whenever one or more +1/+1 counters are placed on a creature you control, that many plus one counters are placed instead
That makes this essentially an instant Blaze that exiles cards, gains you life, and only targets a player