mtg shapeshifter commander deck Morophon, the Boundless CHANGELING ELDRAZI TRIBAL Magic CustomCommander At the beginning of your upkeep Corrupted Shapeshifter | Modern Horizons

Thanks to the color-shifted cards in the Time Spiral block, Green also has access to [card]Harmonize[/card], providing three cards for just four mana

Of course, the more cards and alternatives you have between games, the better

You also get to cast that card without paying its mana cost when the Spelljacker attacks

Or maybe you are the green player, and this is enabling your landfall shenanigans

There is no cost restriction on this either

1 Tough Cookie Tough Cookie is far more than a green artifact "bear." Its Food token is up-front value for any Bargain effect, most of all in Golgari decks, and Tough Cookie's final ability is a fine response to removal or lethal combat damage