Cavern of Souls (0345) (Borderless) [The Lost Caverns of Ixalan] Elemental Fox "Double or nothing

"Double or nothing

then loses 5 life

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {1}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

Set: Secret Lair Drop Series Type: Legendary Creature — Hydra Avatar Rarity: Mythic Cost: {W}{W}{U}{U}{B}{B}{R}{R}{G}{G} Protection from everything

and the world will bear its loss

Cavern of Souls (0345) (Borderless) [The Lost Caverns of Ixalan] Elemental Fox "Double or nothingSet: 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.