Fìstemil, Goddes of Rivers

{2}{u},{t}: you may discard a card, search your
library for an Island and put it into play
TAPped, then shuffle. If you don't, target
creature gets Forestwalk until end of turn.
{2}{g},{t}: you may discard a card, search your
library for a Forest and put it into play
TAPped, then shuffle. If you don't, target
creature gets Islandwalk until end of turn.