Implement Weirwood Bow (#682)
Implement Weirwood Bow (#682)

* Implement Weirwood Bow
samuellinde/throneteki,Antaiseito/throneteki_for_doomtown,Antaiseito/throneteki_for_doomtown,jbrz/throneteki,cryogen/gameteki,jeremylarner/ringteki,cryogen/gameteki,jeremylarner/ringteki,jbrz/throneteki,ystros/throneteki,cryogen/throneteki,gryffon/ringteki,jeremylarner/ringteki,DukeTax/throneteki,samuellinde/throneteki,gryffon/ringteki,gryffon/ringteki,DukeTax/throneteki,cryogen/throneteki