klara pokemon card (Full Art) SWSH302 / Ultra Rare Card Type / HP / Stage Klara (Full Art) - SWSH:

You can remove all but a few of the wizards in the deck and add spells like Brutal Expulsion, Drown in Dreams, Urza's Command or Incendiary Command

There are 29 spells in the deck that have X in their mana value, so hitting a few of those and getting the reduction out of the box is going to be mostly consistent

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You also see Kaheera in the sideboard of white control decks that meet the companion requirement by not playing any creatures

The Magic: The Gathering Teenage Mutant Ninja Turtles Play Booster Box is $209.70 at Amazon, that's $22.29 cheaper than the current going rate on TCGplayer, meaning Amazon is well below market value