Dark Woods

Dark Woods is not a spell.
{t} Add up to three Green Mana to your mana
pool until end of turn.
Only two Dark Woods may be in play under your
control.
{t} Put one target green or white creature from
your hand into play with toughness 3 or less for {0}. If you do, sacrifice a creature with power 3
or less.
The surviving scouts reported that five went in,
and two returned with terrifying stories of survival.