While I dont tend to evaluate planeswalkers by their ultimate, Ugin, Eye of the Storms actually has one that is reasonable to get to

Acrylic Display Case for MTG Final Fantasy (Made in Japan, English Version) Acrylic Display for Magic the Gathering Final Fantasy (Made in Japan, English Version) Made in the USA Inside dimensions are 8.5625 x 5.125 x 2.375 CNC Laser cut on 3/16 inch Cast Acrylic Acid free sheets and will filter out 100% of UVB and 35% of UVA Light Protective film for protection while shipping Easy assembly press fit design (no glue required) ***Does not come with MTG Final Fantasy (Made in Japan, English Version) Box, Display case only*** Acrylic Display for Magic the Gathering Final Fantasy (Made in Japan, English Version) Made in the USA Inside dimensions are 8.5625 x 5.125 x 2.375 CNC Laser cut on 3/16 inch Cast Acrylic Acid free sheets and will filter out 100% of UVB and 35% of UVA Light Protective film for protection while shipping Easy assembly press fit design (no glue required) ***Does not come with MTG Final Fantasy (Made in Japan, English Version) Box, Display case only***

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Ruby While Ruby gets arguably the outright best card of the set , there arent many other big picks
The trick is finding ways to pump Pummeler first, then dumping your energy into it
This is especially true when youre dealing with cards that create artifact tokens