Nintendo, Creatures, GAME FREAK, TV Tokyo, ShoPro, JR Kikaku
It's hard to look good when you launch in the same set as the ridiculously powerful Ob Nixilis, but Elspeth still does a good job
They're all very easy to Tutor up via cards like Enlightened Tutor, Mystical Tutor, Idyllic Tutor, Solve the Equation, Fabricate, Reshape, Transmute Artifact, Reckless Handling, Goblin Engineer & Gamble, in addition to being easy to recur via your Commander's ability
And his way of taking over was growing the house until there was nothing else but him and the house
A target opponent may have you draw a card, but if they don't, you may put a creature card with equal or lesser toughness from your hand directly onto the battlefield, cheating its mana cost entirely