Oer of the Branches

Flying
At the beginning of your upkeep, sacrifice an
Insect. If you do, add {u}{r}{g}. Until end of turn,
you don't lose this mana as steps and phases end.
{x}, {t}: Search your library for any number of
Insect permanent cards with total converted
mana cost X or less and reveal them. Put one of
them into your graveyard and the rest into your
hand. Then shuffle your library.