Nilou, Ever Dancing

Dancer's steps - (Whenever Nilou attacks, you may
reveal a card from your hand. if you do, Nilou and
other creatures that share a colour with that card get
+1/+1 until end of turn for each colour in that cards
mana cost.)

Once per turn, put a land card from your graveyard
onto the battlefield tapped and under your control.
{1}{b}{g}, {t} - Discard a land card, draw a card for
each colour of mana that land can produce.