8 Scrooge McDuck, Resourceful Miser For Free
It might be a slight exaggeration to say I keep any hand with Island plus Ponder in it, but that is very close to the reality of how important Ponder is to this deck
As you can probably imagine, Dragon Ruler literally pushed out every other deck in the format except for Spellbook and dedicated counters
and a double-sided card featuring a European Swallow on one side and African Swallow on the other
Honorable Mention - Sliver Overlord, Sliver Hivelord, Sliver Queen, Sliver Legion Because they are the one tribal deck that plays so similarly, has the same slate of Slivers each time, and very similar support for them, I find this combo to be very boring, pervasive, and more
An incredible token-tripler the likes of which MTG has never seen, Ojer Taq enhances one of white manas key strategies to a scary degree