If a spell cast from your graveyard this way would be put into your graveyard, exile it instead
The Enchanted variant is looking fairly valuable as well, currently sitting at around $190 market price, while its Legendary is fetching around $6-$8 right now as well
Territorial Kavu legitimately is a frightening card in Modern, but that's mostly because the combination of fetch lands, shock lands, and Triomes consistently allows it to be a 5/5 on Turn 2
The only way to get rid of them is essentially through exiling them
If Collector Ouphe is protected, it leads to everyone frustratingly playing without their mana artifacts
Bumbleflower on the battlefield, you make one of your opponents draw a card (Im sure you can see the politics of that coming into play already)