Red Deck Wins (RDW) dominates the RTR Block Constructed format, and is also dominant in Standard Constructed (ISD+RTR). Here are the top 50 cards in a selection of 3,855 cards.
Here are the Split Cards.
Here are the Charms. The Keyrunes are a non-entity, and the Cluestones got ZERO play!!!
Here is a RDW deck.
Here is an Esper Obzedat deck.