Said yolky folks gave you a card when sacrificed, and given the success that egg decks had at the time egg became the MTG slang for sacrificial artifacts with a similar ability
First, you get to exile two permanents when you cast it, helping you clear any big threats from the board or cards like Laboratory Maniac that could actually make Ulamogs attack trigger beneficial to its owner
Its hard to come by a spell that can make that many tokens alone, and if you have any ways to copy this spell or double the amount of tokens produced, its just busted
On the one hand, you have excellent material quality and a clear front, which allows you to see the next card in the deck easily
An opening hand with two copies of Sokenzan, Crucible of Defiance is not a 2-lander
If youve already amassed a decent board state, this is likely enough to push you over the top in nearly any game