baseball cards display case PSA Cards Stand - SKU: 830/BASE clear viewing 35 Graded/Slabbed Sports Card Display

Once per turn, if you would Tribute a monster(s) to activate a card or effect, you can Tribute 1 DARK monster your opponent controls as if you controlled it

So while slightly cumbersome, the restriction is definitely maneuverable and creates a balanced effect and avoids creating an abusable card

Graded Population Report: Pikachu [Ultra Premium Collection] #58 Visualize the distrbution of grades in the chart

Graded Population Report: Battle Reporter [League] #88 Visualize the distrbution of grades in the chart

Overall, old Pokemon cards can be a gold mine for investing, given the right character, condition, and grading