Gibbering Barricade Didn't Grant Life
During my turn, I sacrificed a tapped Salvaged Mana Worker using Gibbering Barricade's ability (2B, sacrifice a creature: You gain 1 life, and draw a card). The game let me draw a card but did not increase my life by 1 and, thus, I did not have enough life to survive the next turn (opponent reduced me to 0).
I also had a Phyrexian Vivisector in play. The game processed the Vivisector's scry and let me draw a card but did not increase my life by 1. I'm not sure whether the error was caused by sacrificing a tapped creature, the interaction with Vivisector, or both.
1
vote
-
[Deleted User] commented
Most likely your opponent controlled a Knight of Dusk's Shadow