Firstly, if you ever make a nonlegendary copy of Esper Terra, you can win on the spotthe copy can copy itself, which copies itself, for infinite hasty Terras
Of the 15, six will be holo: Sprigatito, Fuecoco, Quaxly, Cetitan, Pikachu, and Klawf
What it does have going for it, though, is scarcity
They remain paired for as long as you control both of them.) As long as Imperious Mindbreaker is paired with another creature, each of those creatures has Whenever this creature attacks, each opponent mills cards equal to its toughness. Illustrated by Olivier Bernard Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
With all this taken into account I much prefer to play Memory Lapse in the proactive decks than can apply pressure and get on the front foot
But it puts your opponent in a tight spot next turn: Do they replay the 2-drop and have a mana-efficient turn or hold the 2-drop until they can sequence it with another spell