Null Rod is a card that can help against some builds of Workshop, generally by shutting down the large number of mana artifacts the decks employ
Valera Lutfullina Ego Drain | Illustration by Valera Lutfullina Valera Lutfullina MTG Art Catalog Great Magic artists make productive use of tricks of perspective or violations of traditional design sensibilities, but Valera Lutfullina is particularly good at it
Its strong with threshold and unplayable without, as you cant even target the land to be destroyed
Shriekwood DevourerShriekwood Devourer, a 7/5 Treefolk with trample, can go infinite combats with Aggravated AssaultAggravated Assault, assuming the Devourer is attacking, and also assuming it somehow survives every combat
That already existed on a three-drop 1/3 with double strike printed years ago called Prophetic Flamespeaker that dominated tables
This allows players to play multiple colors in their decks without having to worry about color screw, which occurs when a player does not have access to the color of mana they need