Many in the early community thought there could be space for a sixth, hidden rarity
The Illumineer's Trove box is excellent for storage, but for those who prefer keeping their cards in binders or who may be skipping the Trove this time around, the Lorebook card portfolios are a great alternative
1 Lilo - Escape Artist 2/204 EN.6, Amber Ink Topping the list is a rather unassuming Lilo card, Lilo - Escape Artist
They use an "open air" card frame and special rainbow foil treatment, with a holofoil treatment on the icons and a gloss treatment on the artwork
In other words, we get 3-4 mana worth of value each time we cast a noncreature spell large enough to draw two cards (not to mention Hero tokens)
Ruby cards focus on offensive strategies, like using the Rush (able to challenge the turn the character is played) and Evasive (only allowing other Evasive ability characters to attack the character) abilities