Conflicted Lumberjack

Vulnerable to green (This creature must be blocked
by green creatures if able, and if a player would
choose a target for a green spell, that player
must choose this creature if able.)

{t}, Sacrifice a forest: Add two mana in any combination of red and green to your mana pool.
Whenever Conflicted Lumberjack becomes the
target of a green spell, tap it.