Theyre played enough to warrant the price tag, and again, uncommons in these sets are scarcer than you think
If you owned a copy of a top tier deck outside of a banning, RIP Splinter Twin, it might lose some power but would still be viable
But it has flying, and, more importantly, you make your opponents lose life when you put their stuff into play
Heartless ActHeartless Act can get rid of a creature without any counters on it, or it could remove some pesky counters from a creature, which is even better with all these earthbended lands rolling around with this set
This effect even allows you to go infinite with cards like Exquisite Blood, and since Dina, Soul Steeper is so cheap to cast, it's easily done