This means that only other cards with Evasive (or an equivalent effect) can challenge the card, making it hard to hit for most other characters
So far I've spent 5 bucks on Magic, and I've never felt like I was at a great disadvantage, so logically I should be ok without purchasing this
The ability to trigger your planeswalker ultimates faster via proliferate is nothing to sneeze at
The deck then features a multitude of spells that allow you to roll dice including creatures (Celebr-8000, Chaos Channeler, Clay Golem, Earth-Cult Elemental, Herald of Hadar, Hoarding Ogre, Iron Mastiff, Lightfoot Rogue, Monoxa, Nothic, Swarming Goblins), Sorceries (Attempted Murder, Myrkul's Edict, Recruitment Drive, Thunderwave), instants (Contraband Livestock, Farideh's Fireball, Six-Sided Die), and many more
In order to answer that question, the most important thing to look at for Masters sets is their role as sources of price alleviating reprints
There are interesting card interactions to explore, but it doesn't rely on brittle combos