Forest's Last Avenger

{g}: Forest's Last Avenger gains +1/+1 and
Trample until end of turn.
{r}: Forest's Last Avenger gains Menace until
end of turn and does 1 damage to target creature.
{b}: Forest's Last Avenger gains Indestructible
until end of turn.
-You may play a second land during your turn.
-When a second land enters play during the same
turn, transform Forest's Last Avenger.
"Nw growth can slake the land's thirst for
vengeance." - Crone