While Foundations overall isn't the most broken set they've printed this year, there are a few key cards that I think will be worthy of having around as Standard will shift with releases almost every two months over the next year.
Did you guess it
There are some permanents that become creatures with flying, like Smuggler's Copter, but those arent technically creatures so I omitted them from the list
The Sorting Hat is a key magical item in the Hogwarts School of Witchcraft and Wizardry's Sorting Ceremony, which determines which of the four houses each new student should be admitted to, which house will you be sorted into if you own this card
Skyscribing Skyscribing is almost as good as Prosperity, with that weird, but sometimes useful, forecast option

*oversized* 1x You Are Unworthy of Mercy *oversized* 1x You Cannot Hide from Me *oversized* 1x You Exist Only to Amuse *oversized* 1x You Live Only Because I Will It *oversized* 1x You Will Know True Suffering *oversized* 1x Your Mistake is My Triumph *oversized* 1x Your Nightmares Are Delicious *oversized* 1x Your Own Face Mocks You *oversized* 1x Your Plans Mean Nothing *oversized* ARC (38) 1x A Display of My Dark Power *oversized* 1x All Shall Smolder In My Wake *oversized* 1x All in Good Time *oversized* 1x Approach My Molten Realm *oversized* 1x Dance, Pathetic Marionette *oversized* 1x Embrace My Diabolical Vision 1x Every Hope Shall Vanish *oversized* 1x Every Last Vestige Shall Rot *oversized* 1x Evil Comes to Fruition *oversized* 1x Feed the Machine *oversized* 1x I Bask in Your Silent Awe *oversized* 1x I Call on the Ancient Magics *oversized* 1x I Know All, I See All *oversized* 1x Ignite the Cloneforge