Yarok, the Desecrated Now, heres an interesting pick
To illustrate the difference, consider this Hardened Scales list: Creatures (18) Lands (20) Spells (22) 4 Welding Jar 4 Ancient Stirrings 4 Mox Opal 2 Throne of Geth 4 Hardened Scales 1 Evolutionary Leap 3 Animation Module Sideboard In this deck, you only want Throne of Geth after youve cast multiple creatures because putting a counter on a single creature is not worth sacrificing a resource
Thankfully, as the pasted-over ruling notes, you can't have more than one of this sorcery in your deck
For popular cards, it easily becomes the market standard, and demand tends to gather for those who want to own a 10 if buying that card. PSA 9 If the price difference from a PSA 10 is large, this becomes a very strong option
This focus can be seen on cards like Emet-Selch, Unsundered