mtg when you draw a card Rules Text: if, you, would, draw, a, card, 88 cards o:"whenever you draw" · Scryfall

So if you really want to know what promos are Pauper legal, you have to find a list of all common Magic Online promos then MANUALLY LOOK UP EACH CARD to see if it has other online printings (in which case it isn't legal), unless one of those other printings is at Common (in which case it is legal)

Its not their collection

The card's an interesting one

I really like how this card rewards aggressive lines of play, and how The Nuka-Cola Challenges trigger encourages diversifying your attacks on multiple opponents

Withering Torment fills in this sorely needed gap with a three-mana instant spell that destroys either a creature or an enchantment

There are some excellent aggro commanders available, but the one we want to talk about today is one that literally just makes damage you deal deal more damage