all mtg assassin's creed cards Six new form a scenic Roman vista Assassin's Creed | EDHREC

Enchantment Enchantment (CTRL to add secondary) Enchantments Have Enchantments Have (CTRL to add secondary) Expensive Agatha's Soul Cauldron You may spend mana as though it were mana of any color to activate abilities of creatures you control

Landfall hitting an earthbent land with this is the obvious example

Such a box has internal dividers that are nice and rigid, though they typically cannot be removed to customize the box

Since then, it has seen a reprint in nearly every 2+ color Commander precon, getting the new Sol Ring treatment as a staple mana rock in the format

If you make that more passive play, the power of the Gideon is severely blunted, not to mention when you simply choose to not play it for fear of the Glorybringer