The long answer is the only way to tell if a card has been errata'd is to check a website like Gatherer or Scryfall and read the official Oracle text
Things like pillowfort, grouphug, superfriends, the list goes on
He's still smiling, even as he's being abused by Leshrac painting an evil, evil rune on him
Emrakul, the World Anew While I think Emrakul, the World Anew is better suited to the 99, thanks to its madness cost, it can still be a formidable commander as Steve shows in his Emrakul EDH deck
Extra Deck Eldlich the Mad Golden Lord Divine Arsenal AA-ZEUS - Sky Thunder Superdreadnought Rail Cannon Juggernaut Liebe Number 81: Superdreadnought Rail Cannon Super Dora Superdreadnought Rail Cannon Gustav Max Constellar Pleiades Underworld Goddess of the Closed World Accesscode Talker Borrrelword Dragon Knightmare Unicorn Avendread Savior Knightmare Cerberus Knightmare Phoenix Vampire Sucker Link Spider Those are the cards you will need to replicate our build for the YuGiOh Master Duel Eldlich deck