most planeswalkers need time to win, but Elspeth is as fast as Overrun with the option to grind out your opponents with tokens and removal
Inkjet printers are generally hailed as good options
My old playgroup's mantra was "no need for math, you win", and more often than not, when someone insisted the math be done, that mantra held true
Because of that, expect to see him see play in decks in which life-gain and exploding spells are both included, such as a R/W deck that runs Congregate and X-damage spells or to fuel a giant Exsanguinate in B/R that uses Kokusho-style cards
Dionus, Elvish Archdruid Dionus ability is meant to untap mana dorks, like Llanowar Elves, and give Elves pseudo-vigilance while growing their power