find by props

// WP_Query arguments
$args = array(
	'name'                   => 'slug',
	'post_status'            => array( 'status' ),
	'author'                 => 'user_id',
	'tax_query'              => array(
		'relation' => 'AND',
		array(
			'taxonomy'         => 'post_tag',
			'terms'            => array( 'rag', 'tag' ),
			'field'            => 'slug',
			'operator'         => 'AND',
		),
	),
	'date_query'             => array(
		'relation' => 'AND',
		array(
			'year'          => yyyy,
			'month'         => mm,
			'day'           => dd,
			'column'        => 'post_date_gmt',
		),
	),
	'meta_query'             => array(
		'relation' => 'AND',
		array(
			'key'     => 'smolblog_import_key',
			'value'   => 'import_key',
		),
		array(
			'key'     => 'smolblog_reblog',
			'value'   => 'reblog',
		),
		array(
			'key'     => 'key',
			'value'   => 'value',
		),
	),
);

// The Query
$query = new WP_Query( $args );