It's especially good against Brainstorm, as it turns that spell into three damage to any target and a 3/3 on your battlefield
For a given color such as white, the two colors immediately adjacent to it, green and blue, are considered complementary, while the two colors on the opposite side, black and red, are its opposing schools
There are two Rakdos (black/red), two Azorius (white/blue), and one WUBRG (white/blue/black/red/green), with Tazri, Breacon of Unity.
Like most Magic: The Gathering cards, the value of Spellseeker depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Commander Masters)
Currently, youll be able to find this card selling for around $25 on various resale platforms
The Retreat Cost of 3 was not something you wanted to pay if you could help it