There is no shortage of token generators available, such as Scute Swarm, Beledros Witherbloom, and Tireless Provisioner, that let you easily flood the battlefield with them
I think, though, that this can be achieved in a way with less feel bad, and less impact on the stores that might miss out on single sales
Whimsicott will be more support or secondary attacker than the main protagonist of a deck but comes with a very interesting attack that can lock entire strategies out
Sure, this Merfolk is frail at 1/1 with no protection, but once you toss down a few lords and boost this creature's power and toughness to hefty heights, you're drawing beaucoup cards per turn
On top of that, it also returns to your library if ever put into the graveyard which makes it especially fun to play in any sort of deck with tutor effects