The white [c]Dust Elemental[/c] is an example of such a creature
Those sort of plays just completely blow out any aggressive early game and are why this card is so popular
Three mana as weve discussed is a hefty price in a deck this low to the ground, and while a Thoughtseize effect is situationally great, there are just better things you can be doing with your mana
Cut-Ribbons is not a card Ive played yet, but I dig it, my friends dig it, and if it plays half as well as Im about to speculate, then it is going to be a solid Commander goodie
For singles and graded cards, Amazon is a terrible option
Sadly she is hard to fit in, you probably need to be exclusively Golgari colours as she does so little without the right coloured fodder