Let's review, it's 4 power on turn 3, check, cost reduction for any spell, check, and scales up with a good portion of your deck, you bet you should build in more such creatures
The best part of The Gudgeon is its interaction with Soul Hunter and Plague Zombies (to a lesser extent Fairy Trickster, Ice Drake/Frost Giant, and Scarros)
Uxie cant generate Energy unless it attacks, Azelf just hits the Bench, and Mesprit can only do 160 damage if it has the other two backing it up
Giovanni and Mewtwo pop from the canvas, as the gold background provides the perfect injection of brightness to enhance the subjects
If you already have Basic Steel Pokmon in play, its ability lets you grab 2 Evolutions and add them to your hand
Once you have enough, you can machine gun all of your opponents to death with all of those counters