Scroll Rack [Commander's Arsenal] Spirit Knight where X is the number

where X is the number of lands you control at that time

Makes awful lightning

Set: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {5} You have no maximum hand size

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {4} {1}

Set: Battlebond Type: Land Rarity: Rare Bountiful Promenade enters the battlefield tapped unless you have two or more opponents

Scroll Rack [Commander's Arsenal] Spirit Knight where X is the numberSet: Commander's Arsenal Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.