mtg modern horizons art cards Sojourner's Companion Card (Gold-Stamped Signature) [Modern Horizo Modern Horizons 3 Art Series Type Magic Modern Horizons Art Series

Most cards come from Shadows over Innistrad and Eldritch Moon

Magic peddler Wizards of the Coast says they are choosing to forgo..advanced notice and roll[ing] out these changes as soon as possible. While the latter three were set to cycle out in the fourth quarter of the year anyway, Cauldron Familiar wasnt scheduled to leave standard until the tail-end of 2021, so thats a big change

Let's take a look at the staple cards if you want to run a machinehead EDH list

Rise of the Dark Realms

Arrest (version #8) 2W Enchantment Aura Enchant creature or planeswalker Enchanted permanent can't attack or block, and its activated abilities can't be activated

3 Uncommons