Your search for "Tenacious Underdog 345" revealed the following:
Tenacious Underdog - Art Deco Showcase (Foil) (SNC) from Streets of New Capenna, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Jason A. Engle Card Text:Blitz—2BB, Pay 2 life.You may cast Tenacious Underdog from your graveyard using its...
Tenacious Underdog - Art Deco Showcase (SNC) from Streets of New Capenna, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jason A. Engle Card Text:Blitz—2BB, Pay 2 life.You may cast Tenacious Underdog from your graveyard using its blitz...