Yes, it dies to Heros Downfall
We have actually written about this topic before
With the above changes and a few land optimizations, we end up with something like this: "Parallel Lives for Eternity" Creatures (10) 1 Spike Weaver 2 Eternal Witness 2 Soul Warden 2 Yavimaya Elder 3 Sakura-Tribe Elder Spells (26) 2 Eladamri's Call 4 Life Burst 4 Pull from Eternity 4 Living Wish 1 Growing Ranks 3 Parallel Lives 3 Seance 3 Sterling Grove 2 Chalice of Life Lands (24) 7 Forest 7 Plains 2 Kabira Crossroads 2 Khalni Garden 2 Sunpetal Grove 4 Graypelt Refuge Sideboard (15) 1 Ancestor's Chosen 1 Haze Frog 1 Eternal Witness 1 Peacekeeper 1 Unyaro Bees 1 Selesnya Sanctuary 1 Soul's Attendant 1 Ondu Giant 1 Carven Caryatid 1 Felidar Sovereign 1 Elesh Norn, Grand Cenobite 1 Sunblast Angel 1 Joiner Adept 1 Academy Rector 1 Fiend Hunter I hope you enjoyed todays look at this life-gaining, token-making, crazy, Selesnya, combo deck

This card essentially allows players to treat their Graveyard like a second hand , forcing opponents to consider not only what they might play, but also to remember what they've already played when formulating their strategy
Partner (You can have two commanders if both have partner.) Legendary Creature - Human Wizard Color tag templates(None) Vial Smasher the Fierce Whenever you cast your first spell each turn, choose an opponent at random
(Marsh boosted his own bid from an earlier $150,000.) Other bidders have cropped up along the way