mtg march of the machines commander deck you choose a legendary creature to serve as your commander and build the rest of your deck around their color identity and unique abilities March of the Machine Commander

There is enough space in the trays to add cards from booster packs later on

For a mana cost of XX, you can copy any activated or triggered ability you control X times

This allows older printed versions of these same cards to be used in newer rotations

Along with Teferis Protection, its going to make swinging at white decks even harder

This will exist as a hard limit to the amount of non-basic lands you can play and it may push three or four colored decks to the periphery of the format

Its impact was felt in Standard as it was included in Solar Flare decks, and in Legacy, it was a strong choice for Dredge/Reanimator strategies