I looked over Wowhead and Icy-Veins, downloaded some Weakauras and did some optimization on test dummies. Elfyau’s macro was also very helpful in creating this - he makes some great ones.
Single/Multi-target
dOZ(caWsGuVLOY2qYmjkMnQ4Muk)cHBdWLvStQAVs7gr7xLFcOyyuXVf5XqgQOQbRQHReoiGKdd6yuCorzHOOLIkzXa1YvQhsj1tfwgHNd1ebunvQ09qLA6KUOs0PrvpdLUUsAJacBffYMPKSDuO(iq0SOunnI8AGWibeDxkHrdO04bK6KevnokrxdPopk4VajFtu54eLUM6wVPrEUagxqfY7LbKlbLTLCzD9I62WfYzivCdwbRrimnSbr7eJMnMprIRB9M6wVPbbcIv8i76qIM7VFp4r5gLaagQ3FVGMI2(9MmhjAk73BYCKOPQx0GabXkEKDDirZ93Vh8OCJsaad17V3K5irtz)EbnfT97nzos0u1Z2GabX69YHsaadvlU34KJoNu9sniqqSEVXq5upDdceeR3lhkbamuT4EJXshhN6PAqGGy9Ekwj26Z1GabX69c2mHOElBqGWq9(La9Gw1P(SgeiiwVx4iKyBitkTqgEa8Adtd3npjig1uMnyoC0YSr(ewTbr7uDR30GabX69c2mHOErdceeR3tXkXwTbOhg4A4mq8u36nniqqSEpRKKWYQna9Wq(9GX1TEtdcigZJ17TkHwXvByDcayOwMncDwaeRKiLpr2i)MpT5vgAKFp2GODQU1BAqGGy9EbBMquVObbcIv8i76qIM7VFp4r5gLaagQ3FVGMI2(9MmhjAk73BYCKOPQNTbbcI17LdLaagQwCVrKLJUAd3npjigvuMvR2aKXsgnBmFISEbLGQHni5kKJ8K6Sz8qQ8jYYSbqoCw0OXssRsB0yDcWcOcbZZHxzOmBa8Xk4khTEtJyXGKh41NJTbqTQaBA3W2SrvR2c
I tried to optimize as much as possible while keeping it to only one button. I hope someone finds these helpful.
Mercurio