Because her toughness doesnt scale at all, she winds up feeling quite vulnerable in execution
If you have a big board of attackers then you are winning and would probably be more winning with a wide array of alternate cards to this that are not mostly blanks
1 Freyalise, Llanowar's Fury Freyalise, Llanowar's Fury is a green planeswalker that represents one of the game's most iconic and popular legendary characters
Parker Luck is Keen Duelist, except you can pick two opponents to ensure they both lose life, if you get to the end game with life totals already low
Check out the Alchemy: Aetherdrift Spellbooks article for details on those cards.
But if, you have reliable sources for die rolls, and you were going five color dice, why not slot in Dee Kay, Finder of the Lost