- tcgrate
- Games
- Magic: The Gathering
- Sets
- Secret Lair Drop Series
- Altair, Brotherhood Mentor - Kelsien, the Plague (Rainbow Foil)
Magic · Secret Lair Drop Series · #1558 · Mythic
Altair, Brotherhood Mentor - Kelsien, the Plague (Rainbow Foil)
Magic card price for Altair, Brotherhood Mentor - Kelsien, the Plague (Rainbow Foil): $14.53 market, from $14.00 at the cheapest listing, Foil printing, updated Oct 19, 2026. Full price history since Jul 2, 2024 below.
Sellers right now
Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.
One year
Price story
Altair, Brotherhood Mentor - Kelsien, the Plague (Rainbow Foil) came out in October 2026; we leave the first weeks out of this story, because early prices are set before real supply exists. Listings currently start at $14.00; over the last 30 days the market price averaged $14.69.
Printings
The card in play
- Type line
- Legendary Creature — Human Assassin
Assassin's Creed: Lethal Legends
Vigilance, haste
Altaïr, Brotherhood Mentor gets +1/+1 for each experience counter you have.
T: Altaïr deals 1 damage to target creature you don’t control. When that creature dies this turn, you get an experience counter.
"There is no greater glory than fighting to find the truth."
