The prowess keyword was introduced as the mechanic for the Jeskai Way faction in Khans of Tarkir set, and it immediately reappeared in Fate Reforged
Its a piece that wants to communicate many story details about Yuna's character and capabilities
To check manually, find the set symbol and card number at the bottom of the card, then search eBay sold listings and TCGPlayer for that exact card and edition

Yarok Mill Yourself Creatures1 x Healer of the Glade4 x Llanowar Elves4 x Leafkin Druid4 x Risen Reef2 x Ravenous Chupacabra1 x Hostage Taker2 x Tatyova, Benthic Druid3 x Yarok, the Desecrated MTG Arena decklist1 The Eldest Reborn (DAR) 90 1 Island (RIX) 193 3 Woodland Cemetery (DAR) 248 3 Overgrown Tomb (GRN) 253 3 Watery Grave (GRN) 259 3 Drowned Catacomb (XLN) 253 2 Ravenous Chupacabra (RIX) 82 1 Hostage Taker (XLN) 223 3 Assassin's Trophy (GRN) 152 4 Llanowar Elves (DAR) 168 1 Liliana, Dreadhorde General (WAR) 97 1 The Elderspell (WAR) 89 4 Leafkin Druid (M20) 178 1 Healer of the Glade (M20) 176 2 Tatyova, Benthic Druid (DAR) 206 3 Tamiyo, Collector of Tales (WAR) 220 1 Blood for Bones (M20) 89 1 Vraska's Contempt (XLN) 129 4 Risen Reef (M20) 217 2 Nissa, Who Shakes the World (WAR) 169 1 Teferi's Time Twist (WAR) 72 1 Jace, Wielder of Mysteries (WAR) 54 3 Hinterland Harbor (DAR) 240 2 Swamp (RIX) 194 3 Forest (RIX) 196 3 Yarok, the Desecrated (M20) 220 3 Breeding Pool (RNA) 246

The mascot of Pokemon Pearl is shown in the card art, standing in a strange world filled with endless stairs and abstract structures
New-and-improved Sneak Attack on a stick gets my motor running