As a side note, given that this deck utilizes +1/+1 counters a lot, make sure you have enough counter dice or D20s to keep track of everything
All the Eldrazi are popping off in some way, and that deck is proving super popular in the early orders, so it might be good that you can get Ulalek in Play boosters, too
Scar Finally King Demands Lorcana Players to Be Grateful The Fabled set delivered an emotional gut-punch with this tragic and triumphant depiction of the villainous lion, marking the second unit featuring Scar that is worthy of any villain-themed deck
Ive excluded [casthaven]Gemstone Caverns[/casthaven] (which essentially lets you turn being on the draw to being on the play), [casthaven]Urborg, Tomb of Yawgmoth[/casthaven], and [casthaven]Vesuva[/casthaven] since they dont produce multiple mana (but can when combined with lands on this list)
The fact that she flips into a Planeswalker just by drawing three cards, which, by the way, her Clue helps you do, makes her an absolutely fantastic card in competitive formats
Not sure there is much else to talk about this card