Challenges sees two players comparing the strength and health of the attackers chosen card/s and the targeted card/s, with the two exchanging the amounts
This seems too win-moreish to actually be good, but flashy effects like this are fun in Commander
Venser's Journal offers that hand size perk at the opposite end of the mana curve, but it also gives you lifegain on your upkeep
When the equipped creature deals combat damage to a player, the Sword deals even more damage to them equal to the cards in their hand, while you gain one life for each card in yours
When the out of print cards you had access to were solely the long boxes at your local game store, the idea of a 12/12 trample creature with a converted mana cost of one was the stuff of legends
This is a straight alpha strike for the win, giving them all +1/+1 and double strike to swing in for 40+ damage