Boom

4	Phyrexian Dreadnought TrampleWhen Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.
4	Reanimate Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its converted mana cost.
4	Pandemonium Whenever a creature enters the battlefield, that creature's controller may have it deal damage equal to its power to target creature or player of his or her choice.
4	Prototype Portal Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand.{X}, {T}: Put a token that's a copy of the exiled card onto the battlefield. X is the converted mana cost of that card.
4	Doubling Season If an effect would put one or more tokens onto the battlefield under your control, it puts twice that many of those tokens onto the battlefield instead.If an effect would place one or more counters on a permanent you control, it places twice that many of those counters on that permanent instead.
3	Final Fortune Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

4	Badlands ({T}: Add {B} or {R} to your mana pool.)
4	Bayou ({T}: Add {B} or {G} to your mana pool.)
4	Taiga ({T}: Add {R} or {G} to your mana pool.)
4	Forest ({T}: Add {G} to your mana pool.)
4	Swamp ({T}: Add {B} to your mana pool.)