Première rumeur: Nouveau Mécanisme

Blowback:
"The player targeted by this spell or the player controlling the permanent or permanents targeted by this spell may pay its blowback cost. If he or she does, he or she may put a copy of the spell onto the stack and choose new targets for it. "

Deuxième rumeur: les 5 Cartes

Dissolve
1UU
Instant
Counter target spell. Remove that spell from the game.
Blowback 1U

Drone Propagator
4
Artifact
X,T: Put X 1/1 Drone tokens into play that count as artifact creatures. X is equal to the number of Drones in play.

Temporal Rupture
4UU
Enchantment
When Temporal Rupture comes into play, place all permanents already in play not including Temporal Rupture separate from permanents which come into play after Temporal Rupture. Permanents which came into play before Temporal Rupture may not be the target of spells or abilities. Creatures which came into play before Temporal Rupture may only block and be blocked by creatures which came into play before Temporal Rupture and creatures which came into play after Temporal Rupture may only block and be blocked by creatures which came into play after Temporal Rupture. When Temporal Rupture leaves play, all permanents which came into play after Temporal Rupture are removed from the game.

Fulminate
3RR
Sorcery
Destroy all artifacts. For each artifact destroyed this way, Fulminate deals 2 damage to that artifact's controller.

Tenacious Skirmisher
WW
Creature - Soldier
Double strike
At the end of any turn in which Tenacious Skirmisher attacks or blocks, sacrifice Tenacious Skirmisher.
2/2

Troisième rumeur:Les Bi-Lands

Barren Ridge
Land - Mountain Forest
T: Add R to your mana pool. Barren Ridge deals 1 damage to you.
T: Add G to your mana pool. Barren Ridge deals 1 damage to you.
T, Sacrifice Barren Ridge: Add 2 colorless mana to your mana pool.

Desolate Grasslands
Land - Forest Plains
T: Add G to your mana pool. Desolate Grasslands deals 1 damage to you.
T: Add W to your mana pool. Desolate Grasslands deals 1 damage to you.
T, Sacrifice Desolate Grasslands: Add 2 colorless mana to your mana pool.

Abandoned Coastline
Land - Plains Island
T: Add W to your mana pool. Abandoned Coastline deals 1 damage to you.
T: Add U to your mana pool. Abandoned Coastline deals 1 damage to you.
T, Sacrifice Abandoned Coastline: Add 2 colorless mana to your mana pool.

Polluted Wetlands
Land - Island Swamp
T: Add U to your mana pool. Polluted Wetlands deals 1 damage to you.
T: Add B to your mana pool. Polluted Wetlands deals 1 damage to you.
T, Sacrifice Polluted Wetlands: Add 2 colorless mana to your mana pool.

Volcanic Wastes
Land - Swamp Mountain
T: Add B to your mana pool. Volcanic Wastes deals 1 damage to you.
T: Add R to your mana pool. Volcanic Wastes deals 1 damage to you.
T, Sacrifice Volcanic Wastes: Add 2 colorless mana to your mana pool."