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
It has a somewhat-expensive cost at 8 mana, but luckily only has a single red pip which makes it relatively easy to include in most multicolor control and board wipe decks
If they really want to keep their good creatures, theyre missing out on drawing new cards
If you're the only one in blue-red, an And yes, I would be remiss if I did not to mention that you have access to one of Magic 's all-time greatest spells in this format: Going to Value Town With two top-performing archetypes mapped out, I have to mention a deck I've been experimenting with to some success
(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