EACH set has of the 2020 Challenger decks has: Allied Fires, Cavalade Charge, Final Adventure & Flash of Ferocity.
Forged out of proven, powerful strategies in Standard, Challenger Decks are perfect starting points for anyone wanting to jump into events at their local game store—and WOTC is releasing another set of four in 2020!
For the uninitiated, Challenger Decks are individual, 75-card decks geared toward Standard play for the Friday Night Magic player. Each deck comes with a 60-card main deck and 15-card sideboard and is intended to be playable and competitive at a local level right out of the box. All cards will have been previously printed in Standard and are Standard-legal.