Pay the four generic and one white to cast and resolve Reveillark, and then immediately sacrifice it to Phyrexian Altar to produce one mana of any colour
And while doing it with Treasures is certainly possible, Treasures won't let you recast that same Commander for seven if it dies right away.) One problem is the vast majority of Land Fetch is limited to Green, which leaves us with Mana Rocks
White doesnt have that many impressive aggro creatures beyond Geist of the Moors and black seems best-suited to a supporting role with Vampire Lacerator, Nezumi Cutthroat, and a bunch of removal, but red is designed to beat down
On the top and left side, this colored border is about 1mm thick, while the right side is about 2mm thick
Protect Ishai early instead of rushing attacks
This can also happen if an attacking Dragon you control has double strike