It's a background enchantment that comes with the 'Create a Character' ability - this is what lets any creature in your MTG Commander deck become your next MTG Commander
Now, mythic rare cards are a core part of how we design Magic
Warehouse Plane Kandoka Whenever one or more creatures you control deal combat damage to a player, create a Treasure token
What unreleased or prototype cards do we know of
Ninjutsu MTG Mechanic Ninjutsu is a mechanic that allows your creatures to appear on the battlefield in a puff of smoke* when your opponent least expects it

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