The Mentor's 3 power can go to the Curious Pair, then have 0 damage for the Sable
The latter is also an easy trap to fall into, as it's a reasonable reaction to see your Pokemon's energy costs and fear the worst
If they are, then supply is likely to be plentiful for quite some time and the prices are unlikely to go up, particularly if reprints are confirmed
Outside of those however, many decks will enjoy this card, probably for the removal with others options if nothing else
I ask because it spiked after it left PC naturally and only has 26 listed on tcgplayer
But here is what makes Umbreon different from other high-population modern cards: despite that massive supply of PSA 10 copies, market prices for graded examples have remained strong