Regulation marks are always bold letters inside little boxes that can usually be found on the bottom left-hand corner of cards
Chief: My overall impression of Ravnica Remastered is that it does have some great reprints, but I cant help but feel like there were also missed opportunities to reprint iconic cards such as Smothering Tithe , Doubling Season , and Finale of Devastation
It'll also be helpful for those that just need a refresher

Acererak the Archlich Balthor the Defiled Belbe, Corrupted Observer Bladewing the Risen Boris Devilboon Daxos the Returned Dee Kay, Finder of the Lost Dralnu, Lich Lord Ebondeath, Dracolich Geth, Lord of the Vault Geth, Thane of Contracts Glissa Sunslayer Glissa, Herald of Predation Glissa, the Traitor God-Eternal Bontu God-Eternal Kefnet God-Eternal Oketra God-Eternal Rhonas Gorex, the Tombshell Grimgrin, Corpse-Born Grusilda, Monster Masher Haakon, Stromgald Scourge Hancock, Ghoulish Mayor Hashaton, Scarab's Fist Jarad, Golgari Lich Lord Jason Bright, Glowing Prophet Josu Vess, Lich Knight Korlash, Heir to Blackblade Kotis, Sibsig Champion Kotis, the Fangkeeper Kraum, Ludevic's Opus Kraum, Ludevic's Opus Kraum, Violent Cacophony Lord of Tresserhorn Mikaeus, the Unhallowed Narfi, Betrayer King Neheb, Dreadhorde Champion Neheb, the Eternal Nekusar, the Mindrazer Nevinyrral, Urborg Tyrant Olag, Ludevic's Hubris Polukranos, Unchained Ratadrabik of Urborg Raul, Trouble Shooter Sedris, the Traitor King Sidisi, Regent of the Mire Sidisi, Undead Vizier Skullbriar, the Walking Grave Storrev, Devkarin Lich Temmet, Naktamun's Will Thraximundar Tormod, the Desecrator Tymaret, the Murder King Varina, Lich Queen Venser, Corpse Puppet Vogar, Necropolis Tyrant Wilhelt, the Rotcleaver Zahur, Glory's Past Zul Ashur, Lich Lord

These will be full art, gold foil variants often of the most powerful Pokemon in the set