1 Blessed Breath
With other complementary artifact mana sources like Thran Dynamo and Grim Monolith, decks could count on being able to get the kind of mana you'd need to justify packing the cards that would let you use the mana from Metalworker to deliver the knockout blow, and their presence lets you turn that Metalworker mana into permanent giant amounts of mana rather than just a one shot deal
You do get two cards, so there is some incentive here to make this on or off draw work more often than not
MTG Assassins Creed spoilers MTG Assassins Creed spoilers are an area thatll develop quickly, especially in June when we start to get previews and additions to the card image gallery
The biggest downside of the card is that its slightly hard to cast, but between Ancient Ziggurat, Aether Vial, Noble Hierarch, and just naming Wizard with Cavern of Souls / Unclaimed Territory, Ive found that downside to be manageable
I expect that well never get an instant for 1B that just destroys any creature, but the more options that we get for restricted removal spells the closer we get to having approximately that card exist for any given Cube
