you can get multiples of almost any starter of your choice. just take your starter and put it in with a ditto. ditto is more of a wild card. you can put them in the daycare with almost any Pokemon and get the egg of that Pokemon, this is not guaranteed for legendary Pokemon, it works well on females, males, i am not sure, but will probably work on most, lets say you want a full team of totodile, you started out with one as your starter. just put whatever link of the evolution chain of totodiles in the daycare with ditto and you should get an egg. here are the starters and what you can expect out of them. (it does not matter what gender for your starter, and/or the level ) i worked hard on this and i hope i helped.
|ditto + totdile/croconaw/feraliga tr||totodile egg|
|ditto + cindaquil/quilava/typhlos ion||cyndaquil egg|
|ditto + chickorits/bayleef/magani um||chickorita egg|
|ditto + kato starter||bulbasuar/charmander/squi rtle egg (depends on starter)|
|ditto + hoen starter||torchic/mudkip/treeko (depends on stater)|