On the one hand, its effect is definitely good, and the fact that it has offspring (aka the cutest ability ever designed) can help make it a decent threat in the mid-game
Any power- or toughness-setting effects that start to apply after Timber Paladin enters the battlefield will overwrite these effects, regardless of when Timber Paladin became enchanted by one, two, or three or more Auras
This means only other characters with the Evasive keyword can challenge him while he is free to challenge cards with or without
Ravensburger has shared more details about the set, including some game mechanics
It is not quite as extreme as that, forcing a removal with a three mana card in the early game is fine, especially when they then don't have it
This card, given Beckett's maximum grade of 10 (Pristine) fetched $32,520 at auction