Ultimately, the key to building an awesome and valuable card collection is staying informed, cautious, and connected
This artifact has a fun story attached to it, too: Originally, Skullclamp was designed to give a +1/+1 buff, but before seeing print the Magic designers thought that such a buff would make Skullclamp too powerful and they changed it to +1/-1
All of this adds up to the fact that, while K'rrik may not be a traditional ramp card, he still makes your spells cheaper by replacing mana costs with Phyrexian mana
The weakness of Griselbrand is that if you are too far behind when you make him you have to wait for him to deal damage before you can risk drawing cards and in this situation you are going to get wreaked by the right removal
Once per turn, during your Main Phase: You can Special Summon 1 LIGHT Machine Normal or Union monster from your hand