Its Blizzard attack costs only three energy and deals a solid 80 damage, making it very efficient
The real nastiness comes when you have some way to cheat the cost of the spell, and get it out early
If you want a historical piece, this is an alright starting point, but I would absolutely otherwise recommend any other method over it
Alchemy is built for our digital-first players, who consume content more quickly but also want a metagame that stays fresh and evolves
(6/6/2025) If the creature copied by the token had any "when [this permanent] enters" abilities, the token also has those abilities, and they'll trigger when it's created
Lets say you control five copies of Rat Colony, and have one in your graveyard