Force Spike is all about the reads and bluffs and that is what makes it a great card
If you have a board position that is very powerful and dont want to lose it, you sort of ignore the player with the Disk effect ready to go
After playing with it a few times, the free copy you get for the first artifact, instant, or sorcery you cast provides so much impact on the board, especially with some of the newer cards provided later in the year like Portal to Phyrexia, Flow of Knowledge or Cosmic Epiphany
A 2/1 vampire spirit that can't block for two mana, as long as an opponent has ten or less life, Bloodghast has haste
Notice, for example, that the card doesn't make cycling free, it cuts the cost by