Then exile it.) "Flashback [cost]" means "You may cast this card from your graveyard by paying [cost] rather than paying its mana cost" and "If the flashback cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." You must still follow any timing restrictions and permissions, including those based on the card's type
Cards like these just cant compete with the Reanimates and Animate Deads of the world, after all
Reach is nice for a tribe that lacks fliers, while the lifegain can be relevant, though not as synergistic in a mono Green Elf Deck as it would be in some other, non-Elf Tribal builds
It also has to be blocked by three creatures, which makes your opponents decisions that much tougher
(Target land you control becomes a 0/0 creature with haste that's still a land
The background mechanic and card type introduced in Battle for Baldurs Gate allow for a degree of interesting customization that I feel wouldwith some more iterationsbe excellent in Commander, and would allow you to really take advantage of the fantasy of leading your deck, especially in heroic crossover settings like this