The tokens all enter the battlefield at the same time
The halfling can threaten to end games fairly early with plenty of Ring-tempting options in black and white, and nearly all of them cost four or less
Thanks to the existence of Dryad Arbor, it can also be played on turn one to find an additional land
Like most lords, it's a relatively weak creature that buffs others of its type
The current iterations of this deck use some generated tokens before casting this at x=2, hitting the only two creatures in the deck: Worldspine Wurm and Xenagos, God of Revels, giving them a 30/30 trample crashing in that leaves behind three 5/5 tokens if you kill it without an exile effect
Afterward, broad answers like counterspells, discard, and targeted removal tend to fair best