Suddenly, your swarm of 1/1s turns into one massive threat
Chip as much damage as you can by using your flying creature token (from Infestation Sage) or surprising with a Resolute Reinforcements play (played after the enemys attack phase, so they can tap their blockers)
I really like the Witherbloom school cards from Strixhaven: School of Mages that play up this strategy, and you can find them in Scryfall by searching for wm:Witherbloom for watermark, Witherbloom
Level Two Everyone loves drawing cards, and while this isnt raw card drawing power, since you need to also discard a card, its a great way to filter cards you cant or dont want to play right now and hopefully find something more playable
Shivan Dragon showed up on early product art and basically became the face of dragons in Magic during the 1990s, a symbol of raw power that players feared and chased