Consider
Whether Yveltal #19 from Celebrations is worth grading comes down to condition. At $0.24 raw against $119.99 for a PSA 10, that works out to 33% ROG. Worth revisiting if the raw price dips or PSA 10 demand picks up.
Among the 23 cards in Celebrations with PSA 10 sale data, Yveltal ranks 10th for Return on Grading and 12th by PSA 10 price. Of the 10 Rare cards with PSA 10 sales, it is 5th for Return on Grading. The median PSA 10 in this set sells for $119.99. 4 of the 23 clear a 100% Return on Grading.