The most broken spell in Magic history, that's what
It also had the advantage of being more elegant than its mirror card Undermine, as it was a simple combination of Healing Salve and Counterspell for the combined price of both of them, and while the strength of the colors meant the ranking here goes the other way, Absorb shows how it's more important to get what you need rather than what is technically more valuable
For a detailed breakdown on the reasons behind this, you can check out YouTuber Spice8Racks explanation of the origin of Rakshasas and how they were changed for Dungeons & Dragons and then Magic
10 Gaston - Pure Paragon 119/204, Ruby Disney Lorcana: Shimmering Skies doesn't necessarily feel like Ruby's time to shine on the whole, but Gaston - Pure Paragon is a fantastic addition to the right deck
However, I have very fond memories of casting multiple Rally at the Hornburgs with an Erkenbrand, Lord of Westfold in play
Your main line of play is to quest early with characters like Moana and Ariel, then use Rubys hard-hitting glimmers to challenge opponents and banish key threats