Blood Magic is a COMMON Skill Card used by Nico Minoru in Marvel's Midnight Suns. Blood Magic has Roulette, which applies a random effect that is determined when the card is drawn. For this reason, during Combat, the description of the card will differ from the description shown here.
Card Details

Apply 2 Blood Magic, Counter, Fast, or Strengthened to or an ally (selected randomly when drawn).
Blood Magic generates 2 Heroism when played.
Upgrading
Blood Magic can be upgraded to Blood Magic+ in exchange for 2 duplicates of the base card and 30 Skill Essence at the Yard.

Apply 2 Blood Magic, Counter, Fast, or Strengthened to or an ally (selected randomly when drawn). Draw 1 of their cards.
Blood Magic+ generates 2 Heroism when played.
Mods
After unlocking Mods, copies of Blood Magic may have Mods applied to them.