If you do, put a +1/+1 counter on him
Make your own Bitterblossom at home with some upside
This will cause any other white Auras attached to that creature to be put into their owner's graveyard, but Flickering Ward will remain on the battlefield.
The cards first ability Good As New allows the player to exert Lucky, The 15th Puppy to reveal the top three cards of their deck, with every character card that costs two or less going into their hand and the others being put at the bottom of the deck in any order they want
Considering all possible card types in magic at the moment (the normal card types are artifact, battle, creature, enchantment, instant, land, planeswalker, sorcery, and kindred (ex tribal)), we get the maximum hypothetical size of Tarmo equal to 9/10
Skymarch Bloodletter, Sovereigns Bite, Lichs Caress, Leonin Vanguard, and Herald of Faith are a few of the obvious options