Despite item removal becoming more and more popular across all Ink types, Ruby/Amethyst is the unfortunate Ink combo to not have access to any Item removal at all

Astrologian's Planisphere Rarity: Rare TYPE: Artifact SUBTYPE: Equipment CMC: 2 Mana cost: USD: $4.34 EUR: 3.90 TIX: 0.00 EDHREC RANK: 5649 Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature is a Wizard in addition to its other types and has "Whenever you cast a noncreature spell and whenever you draw your third card each turn, put a +1/+1 counter on this creature." Diana Equip Astrologian's Planisphere Rarity: Rare TYPE: Artifact SUBTYPE: Equipment CMC: 2 Mana cost: USD: $0.29 EUR: 0.29 TIX: 0.09 EDHREC RANK: 5649 Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature is a Wizard in addition to its other types and has "Whenever you cast a noncreature spell and whenever you draw your third card each turn, put a +1/+1 counter on this creature." Diana Equip Auron's Inspiration Rarity: Uncommon TYPE: Instant SUBTYPE: - CMC: 3 Mana cost: USD: $0.17 EUR: 0.08 TIX: 0.03 EDHREC RANK: 18422 Attacking creatures get +2/+0 until end of turn

We will examine their mechanical design, competitive viability, and economic value
At the same time, Legacy and Vintage would still be way too expensive for most players to even consider getting into
There are various methods out there for calculating the "true" worth of cards
Falling one turn behind often means falling permanently behind