For example, if Brash Taunter is dealt 3 damage, its middle ability deals 3 damage, not 1, to the target opponent
MODERN HORIZONS 3: LANDS & MDFCS Modern Horizons 3 has a whole host of lands, including two land cycles, fetchland reprints, and loads of MDFC cards
Outside of Commander you could also consider Dockside Extortionist and your Lithoform Engine or add a Pitiless Plunderer to your obnoxious Cauldron Familiar and Witch's Oven combo
I could write paragraphs about the contributions of tons of other people at Wizards who I worked closely with, but I'd go waaaay over my word-count limit
It also combined with that dreaded phrase all players draw seven cards or even Howling Mine to do even more damage later in the game, making broken things even more broken
Those were the two big ones I thought about when this card got previewed, but it can do so much more