When considering black card draw options, you must understand that it often comes with a price, be it paying life, sacrificing creatures, or discarding cards
Of course, you can always just use Anger to get in quicker and surprise them with a huge attack out of nowhere, but thats not as fun as comboing, right
These cards continue to rise in price as time goes on, and with a limited population of cards in perfect condition, prices are likely to rise to meet the high demand.
(If you only cast one half, then the spell will only be the colors of that half
To fuel an early game Drain Life to remove an opponents Hypnotic Specter or Juggernaut