Rosum-Bloom, Treetop Fighter

Reach, Scout (On your upkeep, you may look at the top card of each opponent's library. Then put it back
on top of owner's library.)
{r}{g}: Target gnome gains reach until the end
of your turn. (This can be done any number of times.)
{g}{g}{t}: Forest Mantel (All gnomes in combat
meld into the forest, take no damage, and deal no damage.)