Preston, the Vanisher + Delney, Streetwise Lookout + Sefris of the Hidden Ways + Woe Strider + Vicious Battlerager
Preston, the Vanisher
Delney, Streetwise Lookout
Sefris of the Hidden Ways
Woe Strider
Vicious Battlerager
Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite artifact tokensInfinite +1/+1 counters on creatures you controlInfinite creature ETBInfinite creature LTBInfinite Treasure tokensInfinite card drawInfinite colored manaInfinite creature tokensInfinite death triggersInfinite draw triggersInfinite creature sacrifice triggersNear-infinite lifelossPut all basic lands from your library into your handPut all creature cards from your library onto the battlefieldReturn most creature cards from your graveyard onto the battlefield
How it works
Complete a dungeon.
Sefris' second ability triggers twice due to Delney.
Resolve the first trigger, returning up to one other creature from your graveyard to the battlefield.
Resolve the second trigger, returning Vicious Battlerager from your graveyard onto the battlefield.
When Vicious Battlerager enters, it and Preston trigger twice due to Delney.
Holding priority, activate Woe Strider by sacrificing Vicious Battlerager.
Resolve a Preston trigger, creating a token copy of Vicious Battlerager that is a 0/1 Illusion.
When the Vicious Battlerager token enters, it triggers twice due to Delney.
Resolve the Vicious Battlerager token triggers, venturing into Undercity twice.
Resolve the second Preston trigger from step 5, creating a token copy of Vicious Battlerager that is a 0/1 Illusion.
Repeat steps 8 and 9 one additional time.
Resolve the first Vicious Battlerager trigger from step 5, venturing into Undercity and completing Undercity.