Not aggressively, but enough to annoy you forever
The prolific price rise, and particularly the recent spike, may well have something to do with the upcoming The Hobbit set, releasing in August (check the MTG release schedule here)

These include the following: Prismatic Evolutions booster packs and booster boxes - Available now Prismatic Evolutions Elite Trainer Box - Available now Prismatic Evolutions Binder Collection - Available now Prismatic Evolutions Poster Collection - Available now Prismatic Evolutions Tech Sticker Collection - Available now Prismatic Evolutions Mini Tins - February 7 Prismatic Evolutions Surprise Box - February 7 Prismatic Evolutions Eevee Promo Blister - February 21 Prismatic Evolutions Booster Bundle - March 7 Prismatic Evolutions Accessory Pouch Special Collection - April 25 Prismatic Evolutions Super Premium Collection - May 16 Prismatic Evolutions Premium Figure Collection - September 26 It's worth noting that the Elite Trainer Box (ETB) contains nine Prismatic Evolutions booster packs, 65 card sleeves featuring Stellar Tera Eevee, 45 Pokemon TCG Energy cards, the player's guide to the Prismatic Evolutions expansion, 6 damage-counter dice, a coin-flip die, condition markers for Burned and Poisoned, the Prismatic Evolutions collector's box and four dividers, and finally a foil promo full art card for Eevee

Crown Zenith Secret Rares are mostly reprints
If you do, add for each 1 life your opponents have lost this turn
This allows it to trigger prowess and other abilities, but also makes it weak to countering