Paying two mana for four power from the graveyard at instant speed is kind of insane, even if you can't block with it
Blazing Rootwalla could easily fit in such a shell, or alongside other graveyard-based creatures like Vengevine
This means that, as long as the normal ink cost of your card is five or under, you can Shift it onto an existing card for free
Draft Boosters Draft Boosters are perfect if you're looking for the classic Draft or Sealed experience
Wouldn't you love to drop a 3-drop like Civic Wayfinder that has a useful ability, then the Spellbreaker, and then this
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