Invasion of Shandalar // Leyline Surge (March of the Machine)

Battle Ñ Siege // Enchantment - Invasion of Shandalar: (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, return up to three target permanent cards from your graveyard to your hand. // Leyline Surge: At the beginning of your upkeep, you may put a permanent card from your hand onto the battlefield.