The Battle for Zendikar update for Magic Duels introduces several major fixes, and plenty of minor ones, including:
• Fixed crash during the duel with The Roil in Nissa's story campaign.
• Fixed some issues with "Fatal Error/ Unknown Error" that users were seeing when the game fails to launch.
• Fixed issue with when a user casts Jace's Mindseeker, where an appropriate instant or sorcery card has been sent to the graveyard and the user is unable to cast it.
• Fixed issue where a player joins a multiplayer match and the opponent concedes or disconnects from the duel, then the player receives the "opponent quit" message and the mulligan phase is skipped.
• Fixed Willbreaker not triggering when Goblin Arsonist's ability targets a creature.
• Fixed Willbreaker interactions that affect creatures on the stack.
• Fixed Pia and Kiran Nalaar issue where the card was only able to be activated once per turn.
Two-Headed Giant-specific fixes:
Fixed desync issue when Sigiled Starfish's activated ability is used.
Fixed desync issue with Two-Headed Giant when attacking with Archangel of Tithes.
Fixed issue with Erebos's Titan treating your partner as an opponent instead of being on the player's team.
Improved the ability for a player to invite another player to a Two-Headed Giant game.
Players are now able to invite a friend to play on the same side.
• Fixed issue where if opponent concedes during the activation of Evolutionary Leap, players are unable to continue with the match.
• Fixed visual issue with the player's view of an opponent's concealed hand.
• Fixed issue with some customers not receiving coins after purchase.
• Fixed some issues with users getting a black background in-game.
• Fixed issue with decks having quotation marks in their names.
• Non-functional archetype quests have been replaced.
• Fixes added for localized text in the Japanese version.