Obviously this is pretty much the best case and a lot of that glory comes from the Bloodbraid Elf
You can also take the following actions as many times as you like, in any order: Exert the required amount of ink to play a card Activate a character ability Use an item effect Quest with a character card (see below) Use a character to challenge an opponent's exerted character (see below) Most of these actions require a card to be 'in play' before you can perform them
We have a reprint of Mental Misstep, this time in the unreadable Phyrexian language
Essentially, the target must discard one card per black mana used, making it a super powerful option capable of winning games for players
The Eldest Reborn falls into the latter category, combining multiple card advantage-generating effects into a near-guaranteed plus three for the player using it
Tymna is a top commander choice because she has the Partner ability, which - like Tymna herself - was introduced in the Commander 2016 set