Cavern of Souls (0269) [The Lost Caverns of Ixalan] Angel Spirit Maro-Sorcerer's power and toughness are

Maro-Sorcerer's power and toughness are each equal to the total number of cards in all players' hands

−11: Destroy up to six target nonland permanents

Set: Secret Lair Drop Series Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

If that's another creature

Set: Limited Edition Beta Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

Cavern of Souls (0269) [The Lost Caverns of Ixalan] Angel Spirit Maro-Sorcerer's power and toughness areSet: The Lost Caverns of Ixalan Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.