A three cost 3/4 in Amethyst, it slots into the Amethyst/Sapphire Evasive shells sitting at the top of the meta and rarely leaves the four of slot
Im unsure where I saw this, but I am indeed wrong
Like most Magic: The Gathering cards, the value of Regeneration 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 (Ice Age)
Taking over the top spot of Baldurs Gate cards to pull is the Ancient Copper Dragon
There are also other cards like Grafted Exoskeleton or even Prosthetic Injector, equip it to Tekuthal, Inquiry Dominus which flies, and start proliferating from there
Just casting this card, letting it eat a removal spell, and drawing three cards in response is just a massive advantage