I think that we must say clearly which cards we compare. Moomoose linked 3 different cards and try to say that for example restore all field stats + delay = remove acquired effects in 1 card + protect or that negative effects = all effects. It is mistake and we have mess here.
Yes, cards effects are similiar, the same as attack Cockatrice and Psion, but usable is very different. The same is here with Incipient. This card is an answer for Arctic Squid, Purple Nymph etc. Maybe it should be also like soft-protect artifact (which I suggested), but it should be discussed.
Should it restore stats to previous? Previously I thought that it would be nice addition for this card, but now after talking with You I see bigger potential with removing only acquired effects, not stats. For example
1. Using Incipient on Accelerate 10|4 Charger = 10|4 Charger, no accelerate, protect 1 (2) turns.
2. Using Incipient on Adrenalined Frog 5|3 = Frog 5|3, no adrenaline, protect 1 (2) turns.
3. Using Incipient on Blessed Light Dragon 18|18 with Poison = LightDragon 18|18, no poison, protect 1 (2) turns.
In 1st situation - Two Moomoose cards make Charger 7|5 and one card do nothing, because Acc isn't negative effect. Different? Different.
In 2nd situation - Two Moomoose cards make also 5|3 Frog and one card do nothing, because Adrenaline isn't negative effect. Different? Different.
In 3nd situation - Two Moomoose cards make Dragon 12|12 and one card make 18|18 with no poison. Different? Different.
What is more - only Incipient card gives protect.
So I think that now we can see how different ideas we have and searching similiar effects from 2010 haven't got any sense...
I think also, that bigger fun will be also with learning DivineShield than Protect 1 (2) turns. Why? It will be like Liquid Shadow with special "lobo" effect. More strategy and fantastic way for Light to defending against creature abilities like LavaGolem.