Hallowed Haunting [Innistrad: Double Feature] Siren You may cast spells with

You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs

Set: March of the Machine Type: Enchantment Rarity: Rare Cost: {G}{G}{G} Whenever a creature enters the battlefield under your control

Matter Absorption — Whenever an artifact is put into a graveyard from the battlefield or is put into exile from the battlefield

Set: 30th Anniversary Edition Type: Enchantment Rarity: Uncommon Cost: {3}{W} Untapped creatures you control get +0/+2

Set: Kamigawa: Neon Dynasty Type: Legendary Land Rarity: Rare {T}: Add {B}

Hallowed Haunting [Innistrad: Double Feature] Siren You may cast spells withSet: Innistrad: Double Feature Type: Enchantment Rarity: Mythic Cost: {2}{W}{W} As long as you control seven or more enchantments, creatures you control have flying and vigilance. Whenever you cast an enchantment spell, create a white Spirit Cleric creature token with "This creature's power and toughness are each equal to the number of Spirits you control."