Boseiju, Who Shelters All [From the Vault: Realms] Base Set 2 Must first be Special Summoned

Must first be Special Summoned (from your hand) by revealing "Blue-Eyes White Dragon" in your hand

add one mana of any color

When Ulvenwald Hydra enters the battlefield

Set: Hidden Legends Type: Fire Rarity: Ultra Rare Retreat cost: 1 [1] Intense Glare

Set: Oversize Cards Rarity: Rare Destroy target nonblack creature

Boseiju, Who Shelters All [From the Vault: Realms] Base Set 2 Must first be Special SummonedSet: From the Vault: Realms Type: Legendary Land Rarity: Mythic Boseiju, Who Shelters All enters the battlefield tapped. {T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered.