zero cost mtg cards mana=0 · Scryfall Magic: The Gathering Search Blue Instant zero cost cards mtg mana=0

You may discard your hand (it lets your foes do the same) and then draw card equal to your highest mana cost for your leader

Nicol Bolas, the Ravager / Nicol Bolas, the Arisen Just 4 mana gets you Nicol Bolas, the Ravager and immediately forces your opponents to discard

She can attack right away, too, so set up the right board and you'll do a ton of damage the turn she arrives

Its also simple to set up infinite loops using this, Ghostly Flicker, and any number of Archaeomancer variants

From there, you can use the escape ability to cast it again

Im all about encouraging more expensive cards in Modern, and Punishing Fire promotes that from both players