mtg exhaust cards is a new mechanic in MTGAetherdrift that allows you to get powerful effects once-per-game! 🏁 (Activate each exhaust ability only once.) Illustrated by Carly Milligan. Rangers' Refueler MTG - Aetherdrift

It will also stop that Dockside Extortionist from feeling so scary, especially since you can always pay one white mana and sacrifice Dauntless Dismantler to remove all of those pesky Treasure before they untap

This seems tied to Sisay directly more than most cards, but this IS growing, unlikely to be reprinted and solid

Notably, theres a Bounty mini-game inserted into these Commander precons, though its completely optional whether you engage with it or not

Magic: The Baseballing is simultaneously an incredibly exciting Drop, and an incredibly obvious one

If you just want the tl;dr and my bottom-line assessment: MTGProxy is one of the better sites out there to order from they have tons of ordering options, reasonably fast shipping, and very solid card quality

Although any one particular game where you get mana hosed might be aggravating and unfun, variance in the number of lands you can draw is actually something that enriches Magic and helps to make it the game it is