Further Upgrades Some of the Knight cards were targeted for speculator buyouts, including the single best one for the deck: Kinsbaile Cavalier
But there just aren't enough new cards to really make that matter
Infect commanders generally revolve around proliferate or poison counters directly, or combat to allow for creatures with infect to attack the opponent directly, oftentimes finding ways around potential blockers
When you do, this Siege deals X plus 2 damage to any other target, where X is the number of cards revealed this way
This isn't like Reckless Impulse or Wrenn's Resolve where you get to cast them later, making it a bit less good as a result
Lands have no mana cost, so they are colorless unless an effect states otherwise