The player who goes first cannot play a Supporter card on their first turn
However, that is the problem with making these suggestions without being able to playtest the decks properly
Time will tell if those permanents return in future sets, but a mana dork that lets you untap utility lands should have its place
For those looking to invest in some extra combat steps, you can use cards that give you this effect like: Aggravated Assault World at War Relentless Assault Isengard Unleashed 5 Shilgengar, Sire Of Famine A Demonic Influence Though not an Angle on their own, Shilgengar, Sire of Famine makes for a fantastic Angel commander, if youre not afraid to sacrifice a few of the heavenly creatures while youre on your way to victory
Less valuable, but not less powerful, is Ghalta and Mavren, a seven-mana dinosaur vampire that boasts an impressive stat line: 12/12 Trample WITH significant upside when it attacks