You can wait to cast your commander until you have some protective equipment and/or haste enablers on the board to equip to it and the mana to do so the turn that you drop it
Theres one notable exception that I wont be including here, and thats any of the cat demon Rakshasa cards from the Tarkir MTG block and Mahadi, Emporium Master from Commander Legends: Battle for Baldurs Gate
Sure, enchantment destruction exists, but I like the idea of making players use their proliferation effects to keep the game alive
Dragonlord Silumgar gets bonus points for snatching up planeswalkers
WotC has powered up white spells over the years, and March of Otherworldly Light was a sure hit
Since youll need to slip in and actually hit your opponent's life total, cards like Spirit Mantle and Unquestioned Authority are vital for bypassing your opponents creatures