Sarkhan Dragons ModernRamp with BoP's and
Explore.
Flash in
Dictate of Karametra end of opponents turn. On your turn cast
Doubling Season and
Sarkhan Unbroken. Pop Sarkhan's ultimate for Dragons with etb damage effects to kill the opponent. Protect the combo with
Remand and
Pact of Negation. Alternately, cast a kicked
Rite of Replication on
Scourge of Valkas or
Bogardan Hellkite. You can play the slow game if the combo pieces don't come together with ramp, control, and dragon beatdowns. Plenty of card draw with
Explore,
Serum Visions, and Sarkhan, and plenty of finishing options between the dragons and
Sarkhan Unbroken. I opted out of the Lightning bolts because I needed more counters to protect the combo or early game death. They also didn't draw cards, so they were less efficient.