If you do, search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield tapped, then shuffle
I'd talked over the options with Steve Sadin, and this was one option that neither of us had even thought of, let alone considered
There are going to be times when you drop Kraum, Ludevic's Opus out of nowhere and your opponent will just be dead, so thats pretty awesome
At the end of the day, it's a mana rock that might eventually attack, probably akin to things like KeyrunesKeyrunes and MonumentsMonuments
Watermark: Set Symbol Illustrated by Daarken Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Wrenn and Six You can probably look at the casting cost for Wrenn and Six and then move along