pokemon card wicke 127/147 Reverse Holo shuffles those cards into their deck Pokemon Sun & Moon Burning

That could be a card like Davriels Withering, which perpetually gives a creature -1/-2 if that card reduces a creature to 0 toughness or less and sends it to the graveyard, for example, the debuff will remain in effect even if a player is able to bring it back to battlefield (causing it to immediately die again)

Diamond & Pearl through Platinum Some reverse holos of popular Pokemon or playable trainers fetch decent prices, especially in high grades

No strategy but destruction

Kaalia of the Vast is another commander that has a low cost and can have an incredibly powerful effect, simply placing attacking angels, demons, and dragons into play

Good Names, Bad Names The point of playtest names isn't just to be functional

Those are my top Backgrounds ever printed for Commander