For the Regional Championship in Sydney, he and his team of over 10 other players tested different decks extensively until they came up with their own twist on the popular Rakdos Midrange deck
A great card for the Pirate deck
Decks that are bigger than yours tend to have their matchup depend on how many of their cards actually matter against you, and how much efficient interaction they have access to
Jeskai colors are the best for convoke, making Divine Convocation even better
You could play a kind of Modular deck using Artifacts such as Arcbound Fiend and Arcbound Slith, since you get to shift those +1/+1 counters around when they die, and then Ratchet, Field Medic can bring them back
The reason all of this is important is because we still use the same basic deck-building concepts to build successful aggressive decks todayconcepts Jay Schneider pioneered when building Sligh