Bowfeather

Flying, hexproof, haste, indestructible, lifelink
Bowfeather costs {w}{u}{b}{r}{g} less to cast for each
spell you cast this turn with {w}{u}{b}{r}{g} in its
mana cost.
Whenever a permanent is put into the graveyard
from anywhere, put it onto the battlefield under
your control.
At the beginning of each opponent's upkeep,
that player sacrifices a permanent.