Given that nearly all of the value in MTG lies in rares and mythic rares, it means that Double Masters packs are technically worth more than normal, which is nice - but that worth should be for the players alone and not for Wizards of the Coast
Arcades draws a card for every creature with defender that you play, so if your opponent is playing flyers and doesn't immediately remove your elder dragon, you can play 2-3 walls, draw that many cards, and flood your opponent in card advantage
Wall of Denial is merely a blocker, but it is an amazingly excellent one, so I would like to keep it, in that deck, as well, and Esper Sentinel is not essential to this deck's identity or strategy, but I would prefer to avoid raising its mana curve, if I can help it
Yeah, its pretty good
Continuing down the path of looking at synergistic interactive spells, we should definitely consider cards that work with the sacrifice theme of the deck
She starts out using the Trickstar deck, fitting her own idol theme, but with VRAINS rushing towards its conclusion, she switched over to the Marincess deck