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
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 )
This is especially true in sets based on the plane of Zendikar, where kicker is a primary mechanical hallmark
Outside of Dogmeat, everyones favourite in-game floof, most of the characters in Fallout are bordering on meme status
Then the Sapling is a 2/5 will attack as a 5/5 with indestructible