Norn's Decree works on multiple fronts, uses poison counters as a deterrent for anyone that tries to sneak in an attack on you, and encourages players to attack others
Its a good fit in a Grist, the Hunger Tide deck since its already a commander that can dump a lot of cards into the graveyard
Thundermane Dragon's last ability allows you to cast the top card of your library if the resulting spell is a creature spell with power 4 or greater, it's your main phase, and the stack is empty
If you dont want to open a lot of booster packs, you can trade with other players for the cards you want.
This means that the battle card type wont show up in all (or even most) sets, but its a tool that can be used by the games designers if it fits a sets flavor or mechanics
With eye-popping artwork that looks right at home alongside cards from Magic: The Gathering | Marvel's Spider-Man , it's a celebration of one of the world's most beloved Super Heroes (unless you're a certain editor-in-chief)