Spider-Ham, Peter Porker and Oakhollow Village are excellent for pumping those rabbits up to make them bigger and more dangerous
For card draw, we have Elvish Visionary, Llanowar Visionary, Skyscanner, and Owlbear as cantripping creatures
Without haste, it's a little vulnerable for one turn while the summoning sickness passes, but if your opponent doesn't have a response, it's a brilliant card to have in your deck
You can do this at instant speed too, which means you can do it as someone attacks you to suddenly have a horde to defend with
Basic lands also work well for this since they have minimal text and lots of open space
Group card draw is often more aggressively costed than targeted draw, making for interesting and interactive games with Nekusar where everyone gets to see a bunch of cards and cast lots of spells