Songbirds' Blessing [Wilds of Eldraine Commander] Ouphe Sentinel Tower deals damage to

Sentinel Tower deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn

Codex: Imperial Knights contains a wealth of background and rules – the definitive book for Imperial Knights collectors

then puts all cards they exiled this way onto the battlefield

Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token

Songbirds' Blessing [Wilds of Eldraine Commander] Ouphe Sentinel Tower deals damage toSet: Wilds of Eldraine Commander Type: Enchantment Aura Rarity: Rare Cost: {3}{W} Enchant creature Whenever enchanted creature attacks, reveal cards from the top of your library until you reveal an Aura card. You may put that card onto the battlefield. If you don't, put it into your hand. Put the rest on the bottom of your library in a random order.