If he managed to survive - something no person had done before - they would welcome him
Anytime you do choose to challenge another character, you can bring back an action card from your discard back to your hand
Part of a cycle that features the almost-as-broken Gaea's Cradle and somehow the hilariously unbroken Shivan Gorge, Tolarian Academy taps to make a mana for each artifact you control, which led to decks that would dump their entire hand of cheap artifacts, make a ton of mana by tapping and maybe untapping Tolarian Academy, and then use big card-draw spells like Windfall and Stroke of Genius to refill before eventually milling the opponent out with Stroke of Genius, potentially all on Turn 1
Lets go over their impact and use in some different formats
This would hardly be noticeable but would increase the number of purple cards in each draft significantly
Any player other than the battles protector may have creatures attack that battle in combat, and the protector can assign blockers for that battle