More draw helps you hit the removal, the interaction, and the recursion you need, without sacrificing as many deck building slots as you would for ramp
Status Buff: Parallel Mateo can seal a blessed token on an Investigator that doesn't have one, then as long as he is alive or he hasn't resigned he can reveal them when they start a test, guaranteeing a free +2 skill bonus
Damaged cards can lead to accusations of having Marked Cards or cards in a deck that have been made easily identifiableeven without seeing the cards frontfor the purpose of facilitating cheating
You can only use this effect of "Rokket Caliber" once per turn
They can be particularly valuable in white decks, colorless/artifact strategies, or Eldrazi tribal decks where your traditional draw sources might be limited
I think Balan, Wandering Knight and Nazahn, Revered Bladesmith both fall prey to this