Davros, Dalek Creator reminds me of Sygg, River Cutthroat, in that you want to deal 3 or more damage to obtain card advantage
To that end, frail Human creatures could use a buff to withstand the onslaught of a beastly mutated creature, and similarly any of those beasts can use the buff too
Even the flavour text is a complaint from a recurring character called Jarkeld, who was extremely bothered by these little guys
On Turn 3, its a fine play to go ahead and crack in for four damage if you dont have anything better to do, all while getting a +1/+1 counter on the Knight for your troubles
Where to Play Standard
I suspect this wont be quite good enough, but it does have some good properties: a lot of cards you want to hit like Sheoldred you still get a meaningful impact even if tapped