graded card center Grading Centering Tool Kit - with Cleaning Cloth Is it worth it to

All told this is not the ideal way to try and fill up your yard despite having some utility there, What it is good for is being an alternative Welder / Tinker target with very high power

If this card is discarded to the GY by a card effect: You can target 1 Dark World monster in your GY, except Perl, Hermit of Dark World

The sorcery type line may seem like a downside, and it is, but Dragons Rage Channeler appreciates having good sorceries around for delirium

You have to expect Wizards made sure there would be synergy between the deck and the planar deck in the same package, right

Yes, it is and backside printing is available.