Orcish Bowmasters [The Ultimate Card-Draw Punisher] Orcish Bowmasters punishes extra draw with immediate damage and board presence
But the exponential scaling with extra copies (not to mention the upside in an enchantress deck, or with constellation triggers) makes this scary even at fairly low storm counts
Richard Garfield was busy designing other games, but from time to time, I was able to convince him to join a Magic design team, usually ones I was leading
It's a game-ender, typically sweeping away your opponent's entire board, while preserving any colorless permanents you've chosen to play, and, more often than not, also leaving Ugin alive to keep pecking away with their +2 damage-dealing power
Until recently they weren't even advertised, being a surprise extra for the buyer to discover
Kalain, Reclusive Painter This is a tough category to narrow to one, but Kalain is the pick here because of the new archetype she helped fuel: red-black treasure