Eliona, Daughter of Gaia

{g}{g}{g} Regenerate target Elf.
{g}{g}{g}{g}Eliona becomes unblock able.
Eliona does not tap to attack, She attacks as many times as half the number of elves on the board rounded up or she can gain +1/+0 for each elf on the board.
The leaves part the arrows fly, the Humans Die