Whenever a creature blocks this turn, it gets +0/+1 until end of turn
I dont think any of the learn cards are quite Tireless Tracker, but the same metric of the best few being good enough to see play applies
What affects the value of Hero of Iroas
it'll take a while, but despite having a great track record at otherwise adapting a lot of different fantasy creatures into playable cards, MTG had a very long and storied history with trying to adapt werewolves
It was after my second game with Yarok, where I assembled infinite mana in barely any time with Deadeye Navigator/Peregrine Drake and cast Villainous Wealth for X = 1,000,000, that my friend observed: Wow, its almost like getting two triggers for every enters-the-battlefield effect is broken. And they were right
(When she gets a new planeswalker card, she should be lounging in a throne made of ex-Griselbrand