Siphon Soul is a 6 Mana Cost Rare Warlock Spell card from the Classic set!
Destroy a minion. Restore 3 Health to your hero.
Flavor TextYou probably should avoid siphoning your own soul. You might create some kind of weird infinite loop.
Siphon Soul Decks
These are the most recent decks that have featured Siphon Soul in the last year.