Magikarp evolves at level 20...you don't need any stone :P
magicarp evolves on lv 20Level 20
Happiny evolves into Chansey with an Oval Stone.
Croconaw evolves at level 38, not by a stone.
happini can evolve with a oval stone
magicarp
It evolves on high friendship then use shiny stone then it evolves into togekiss.
magicarp. but when it evolves it is cool!
Roselia only evolves in Pokemon platinum, diamond, and pearl Roselia evolves into roserade if you use a sun stone on it
a grass Pokemon
Happiny during the daytime
i think eevee
no Pokemon evolves with a fire stone in Pokemon platinum except eevee which turns in to flareon