[Snapshot14w07x]/give Spawner

/give @p minecraft:mob_spawner 1 0 {BlockEntityTag:{EntityId:Zombie,SpawnData:{IsBaby:1,Riding:{id:Zombie}},SpawnPotentials:[{Type:Zombie,Weight:1,Properties:{IsBaby:1,Riding:{id:Zombie}}},{Type:PigZombie,Weight:1,Properties:{IsBaby:1,Riding:{id:PigZombie}}}],SpawnCount:2,SpawnRange:3,RequiredPlayerRange:64,Delay:10,MinSpawnDelay:10,MaxSpawnDelay:100,MaxNearbyEntities:4}}

/give @p minecraft:mob_spawner 1 0 {
	BlockEntityTag:{
		EntityId:Zombie,
		SpawnData:{
			IsBaby:1,
			Riding:{
				id:Zombie
			}
		},
		SpawnPotentials:[
			{
				Type:Zombie,
				Weight:1,
				Properties:{
					IsBaby:1,
					Riding:{
						id:Zombie
					}
				}
			},
			{
				Type:PigZombie,
				Weight:1,
				Properties:{
					IsBaby:1,
					Riding:{
						id:PigZombie
					}
				}
			}
		],
		SpawnCount:2,
		SpawnRange:3,
		RequiredPlayerRange:64,
		Delay:10,
		MinSpawnDelay:10,
		MaxSpawnDelay:100,
		MaxNearbyEntities:4
	}
}