At present, there are no cards which specifically affect cards based on their ink colour, however, only have one or two of the ink colours in your playing deck, so it is important to pay attention while formulating future strategies
Cinderella, Stouthearted is a key piece in many Steel decks but is essential to Steelsong decks that feature Amber as it has amazing Shift power with the powerful Cinderella, Ballroom Sensation
Swords to Plowshares is a reprint of one of the most powerful removal spells in Magic, but Alphinaud is a Final Fantasy TCG card
However, while this card is likely to be strong if you were to pick this deck during a sealed starter deck event, I doubt either versions of Pluto are going to do particularly well in constructed play
There are others as well, like Hero's BladeHero's Blade and Explorer's ScopeExplorer's Scope, but those are considerably less interesting than the above list