Its beneficial enter the battlefield can be triggered twice, whilst its downside is negated as both sides of Ayara get rid of it before opponents have a chance to attack you
Then the Sapling is a 2/5 will attack as a 5/5 with indestructible
You could also just run Group Hug with things like Howling Mine and Font of Mythos forcing all your foes to draw and lose life while you gain more and more life
This is especially true in sets based on the plane of Zendikar, where kicker is a primary mechanical hallmark
Cheap dig like Impulse, Anticipate, Index, Confounding Riddle, Quick Study, plus deeper engines (Memory Deluge, Dig Through Time, Drawn from Dreams, Flow of Knowledge) increases the hit rate on Knowledge Pool or a tutor ( Vedalken Aethermage / Step Through / Treasure Mage )
Resist, in my opinion, is a very strong keyword and Cogsworth granting Resist as an aura effect is going to be absolutely busted