As Cavern of Souls enters, choose a creature type.: Add .: 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.
HasteWhen Craterhoof Behemoth enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.
As Cavern of Souls enters, choose a creature type.: Add .: 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.
Take an extra turn after this one. Exile Temporal Mastery.Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)
Flying, vigilanceWhenever Bruna, Light of Alabaster attacks or blocks, you may attach to it any number of Auras on the battlefield and you may put onto the battlefield attached to it any number of Aura cards that could enchant it from your graveyard and/or hand.
Flying, first strikeIf a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.