Lorwyn introduced the first five planeswalkers, then the next three sets ( Morningtide , Shadowmoor , and Eventide ) had zero planeswalkers in them
It doesnt gain anything from its unique design
What to Change Out: 1 Rise of the Dark Realms M 2 Bake into a Pie C 2 Stab C 2 Crow of Dark Tidings C 2 Gleaming Barrier C 3 Zombify U In: 2 Kiora, the Rising Tide R 4 Cruel Somnophage R 2 Shoot the Sheriff U 2 Huskburster Swarm U 2 Overlord of the Balemurk M Total wildcards needed : 2 Mythic rare, 6 Rares, 4 Uncommons, 0 Commons #9
Ismaru making a mark, but is it too hard to acquire
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Six mana cards are generally not utility or answer cards which are the most useful to be able to tutor for, Treasure Mage will mostly go and find a win condition, which then begs the question as to why you are not just playing more win conditions or more effective draw spells