The Shards of Alara tri-lands, which have been reprinted in Commander 2013 , Commander 2016 , and Commander 2017 , as well as Modern Masters 2017 , are great for your three-color decks
We've got powerful noncreature spells, and creatures that provide some sweet utility to go with them
It's represented here by Ydwen Efreet of having a literal coin's flip chance of refusing to block, making it a bit of a liability
In the interest of power, it isnt the most powerful card, but it may have proven too useful
Youre forcing your opponents to attack each other via the goad mechanic, and if one of your opponents deals combat damage to another player this way, you draw a card and Firkraag grows
You can use powerful artifact recursion like Scrap Trawler to instantly assemble multi-part engines like the Mirrodin -era Stations or Kaladesh Modules