discard your hand draw 7 cards mtg o:"discard hand" · Scryfall Magic: The Gathering Search Sticky Fingers - Cube Cobra

EIther way, he can draw you a bunch of cards, but only in the type of lifegain decks that have you gaining many instances of 1-life over and over (with Soul Sister effects, or activated abilities)

(12/8/2022) If multiple "extra turn" effects resolve in the same turn, take them in the reverse of the order that the effects resolved

That said, there is still potential here in Commander

I already have my tickets to go, and if you want to join in you can use Wizard of the Coasts official events finder to locate your closest game store

Green is also exceptional at creating an immense mana advantage, typically with cheap cards like mana dorks (Llanowar Elves, Badgermole Cub) and land-based ramp, which is pretty unique to green (Rampant Growth, Cultivate)