Nykthos, Shrine to Nyx - [Foil] Theros (THS) Deck Box If Gemstone Caverns is in

If Gemstone Caverns is in your opening hand and you're not the starting player

Destroy target nonland permanent with mana value 3 or less

put it onto the battlefield tapped and attacking defending player or a planeswalker they control

deathtouch When Baleful Strix enters the battlefield

If Necravolver was kicked with its {W} kicker

Nykthos, Shrine to Nyx - [Foil] Theros (THS) Deck Box If Gemstone Caverns is in{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)