[[Duel Decks: Zendikar vs Eldrazi]] is a block-restricted [[Duel Decks]] event which was launched as a beta event in September 2018 in release 2.9, along with its associated [[Zendikar vs Eldrazi]] card set. The event was overhauled in May 2019, in release 3.4.
This The first, [[#Challenge Phase|Challenge Phase]] of the event contains both is a PvE matchup and second and third [[#Duel and Final Duel Phase|Duel and Final Duel Phases]] are [[PvP ]] matches, depending on . There are separate [[#Challenge Phase rewards|Challenge Phase rewards]] and rewards [[#Event end - Winning side rewards|received after the phaseFinal Duel]]. The Which side the player chooses to play also determines rewards; Challenge rewards can be received from both sides, but once a Final Duel side in the final phase; if they choose Eldraziis chosen, their deck rewards can include only Blue, Black, Red and Colorless cardsbe received from that side. Unique to Duel Decks events, Winning Side rewards are given to the side with the most wins across all players in the event. If the player chooses Eldrazi in the final phase, their deck can include only Blue, Black, Red and Colorless cards.
=== Special Rules ===
=== Challenge Phase rewards ===
'''==== Zendikar Welcome Pack:'''====
{{Card List
|Seed Guardian
}}
'''==== Eldrazi Welcome Pack:'''====
{{Card List
|Smash to Smithereens
}}
=== Event end - Winning side rewards ==='''==== Zendikar'''====
{| class="wikitable"
! Side outcome || Reward
|}
'''==== Eldrazi'''====
{| class="wikitable"
! Side outcome || Reward