Ygra still makes everything foods when it loses all abilities
My opponent had Ygra, Eater of All and I used Sugar Coat on it to turn it into a food and make it lose all abilities (after paying the ward cost obviously). I expected all creatures to lose their food typing (unless they already had it) but that wasn't the case.
In the screenshot, you can see that all creatures still have an added activated tap ability for the food sacrifice, and my opponent's Honored Dreyleader tooltip shows that it thinks the opponent has 5 foods/squirrels when I don't think they should.
From my understanding of the rules, I believe that all of the creatures shouldn't be foods anymore. Additional creatures that my opponent played also entered as foods (buffing the Honored Dreyleader) until my opponent sacrificed the Ygra, Eater of All.
I'm using PC.

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marmar#25183 commented
Commenting here to say - I understand an effect being activated still as per @Rezzahan#77802's comment, but I experienced the effect persisting AFTER the turn resolved. Meaning, after I played an enchantment to knock out Ygra's abilities - any turn after that generated new creatures caused them to become foods. This doesn't make sense I feel. If a new turn occurs, and Ygra is nullfied by 'loss of ability' enchantments, any NEWLY entering creature whether a token generated by something or me/my opponent playing a new creature shouldn't have Ygra's ability, right? I have a short video to show what I mean by, the turn is over yet Ygra is still triggering. I highlight the Ygra, my enchantment, and then the creature I play and show that it gains the Ygra effect - this part I'm showing seems like a bug.
Editing to mention - it's not clear in my video that this is a new turn separate from my enchanting of Ygra but it was basically a couple turns after I did the enchant so, I do think any new creature getting the effect is a bug!
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SilverChaos#83191 commented
The same bug occurs with "Imprisoned in the moon". Even though Ygra was supposed to have no abilities, a destroy all artifacts ability wiped the field since all my creatures were still artifact foods.
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Rezzahan#77802 commented
Not a bug. Same explanation here as for Kudo and removing abilities:
The effect includes a type granting, and thus starts applying in layer 4. Ability losing happens in layer 6. And due to rule 613.6, if an effect starts to apply, it will continue to apply even if the ability creating the effect is removed during the process of applying effects in the layer system.
613.6. If an effect should be applied in different layers and/or sublayers, the parts of the effect each
apply in their appropriate ones. If an effect starts to apply in one layer and/or sublayer, it will
continue to be applied to the same set of objects in each other applicable layer and/or sublayer, even
if the ability generating the effect is removed during this process. -
thegenk#51076 commented
Same bug here (see attached screenshot).