It basically makes decks like the ones built around Prosper, Tome-Bound almost useless
If a creature you control would enter the battlefield with a number of +1/+1 counters on it, it enters with twice that many instead
It runs well enough, has cool animations, and allows games with my friends to play out with minimal fuss
In Commander, you can draw up to three cards if you attack all your opponents, which is pretty impressive from a 3-mana creature
A 1/3 that quests for one lore, the power of Arthur is in his ability, which allows you to return one of your other characters to your hand in order to gain two lore
Its obviously better with stronger creatures, and youll be able to draw two cards on your end step if you've got the thickest creature