mtg ravnica city of guilds booster box Ravnica: Ravnica features 306 black Guilds of Ravnica - Booster

Solve the Equation and Teach by Example are likely important pieces to that flurry

You can find these cards in both Draft and Collector Boosters, in foil and non-foil

You need to be playing the right deck to take advantage of Metalworker, which is probably the reason his power dawned on all of us so slowly

His Ward ability means your opponent has to sacrifice one of their own legendary artifacts or creatures if they wish to target him with a spell

Are these even playable in Tier 1 Commander decks

Magic has tons of ways to put cards in your hand or to achieve similar results, but if it doesn't say draw, it doesn't belong in this ranking