I'd rather have a Magnifying Glass than an Arcane Signet most of the time, because the Glass stays useful later in the game when I have more mana
7 Lillie: Sun & Moon Base Set (Ultra Rare) $73.69 Humble Beginnings In Her Original Outfit This is one of the very few Lillie cards that uses the outfit that Lusamine chose for her to look like Nihilego instead of the outfit she wears after breaking free and becoming more confident in the story of Sun & Moon
In all seriousness, Abrupt Decay feels like a steal at $5
Just like their character counterparts, these glimmers can also be summoned using magical ink
Among them, of course, a few Power Nine pieces
Anthem of Rakdos Exava, Rakdos Blood Witch Rakdos Augermage Rakdos Cackler Rakdos Carnarium Rakdos Charm Rakdos Cluestone Rakdos Drake Rakdos Firewheeler Rakdos Guildgate Rakdos Guildmage Rakdos Headliner Rakdos Ickspitter Rakdos Joins Up Rakdos Keyrune Rakdos Locket Rakdos Pit Dragon Rakdos Ragemutt Rakdos Ringleader Rakdos Riteknife Rakdos Roustabout Rakdos Shred-Freak Rakdos Signet Rakdos Trumpeter Rakdos the Defiler Rakdos's Return Rakdos, Lord of Riots Rakdos, Patron of Chaos Rakdos, the Muscle Rakdos, the Showstopper