Furious Woodswoman

Sacrifice a land: This creature gains your choice of haste, menace, or trample until end of turn.
{1}{b}: Gain X life, where X is half the number of land cards in your graveyard rounded down.
{1}{r}{r}: Deal X damage to target creature, where X is half the number of land cards in your graveyard rounded down.
{1}{g}{g}{g}: Another target creature gets +1+1 for each land card in your graveyard.