Probably the easiest card to add is Revel in Riches , an enchantment which will provide you with an untapped Treasure token each time one of your opponents' creatures dies, and then win you the game if you have ten Treasures at the beginning of your upkeep.
Rating: B Naban, Dean of Iteration Wizard tribal is a very strong deck, but nothing is dethroning Azami at the helm of mono-blue version
2 MagicCon Serialized Secret Lair Cards Lord Of The Pit, Merfolk Of The Pearl Trident, and Swords To Plowshares - $600.00 - $998.99 Another very special Secret Lair drop, the three MagicCon Serialized cards are special classic Magic cards with a special twist
Shaun & Rebecca, Agents + The Animus The Animus is kind of good as a piece of focused graveyard hate that also yoinks things for your own use
Typical sets have somewhere in the range of 20 to 30 new cards and sets that put more emphasis on legendary creatures can exceed that
Werewolves are one of Magics most effective uses of transforming double-faced cards