If they really want to keep their good creatures, theyre missing out on drawing new cards
If they don't have a substantial board presence when you cast her, or cards in their hand that can take her out, they're stuffed: they can't go digging for answers
In the back of your mind, you can also keep the recently released Academy Manufactor
(Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Delirium This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard
But you need a lot of time and money to get really good this way, so I give you Draftsim.com
Speaking of removing Sporogenesis if it goes, so do all the counters