Selesnya Elemental

When Selesnya Elemental enters the battlefield,
create a 1/1 green Saproling creature token if {g} was spent to cast Selesnya Elemental.
When Selesnya Elemental enters the battlefield,
create a token that's a copy of a creature token if {w} was spent to cast Selesnya Elemental.
Evoke {g/w} (You may cast this spell for its evoke cost.
If you do, it's sacrificed when it enters the battlefield.)