I recommend the Jewish Museum in Berlins page on golems as a starting point for learning more about these mythical beings
All of the info packed onto that petite piece of cardboard can be a little overwhelming at first, especially for some of the more complicated cards out there, but a little explanation about the important parts should ease your entry into the game
And, you'll notice they all have useful ETB effects and make for fine flicker targets if we're low on more powerful options
It can be mass artifact animation, turning a bunch of Treasure and Clue tokens into creatures, though its an all-or-nothing ability that affects all your tokens
Adopting this strategy, there's no guarantee that you'll win games, but, true to the name of Alakazam's attack, you'll certainly have a powerful hand
As usual, spells that can be and often are free are almost always problematic