Nykthos, Shrine to Nyx [Theros] H9 "Final Ritual of the Ancients"

"Final Ritual of the Ancients"

during your opponent's turn: You can detach 1 Xyz Material from this card

Phantom Nishoba enters the battlefield with seven +1/+1 counters on it

Your creatures aren't destroyed due to damage or deathtouch and aren't put into a graveyard due to having 0 or less toughness

If you can Pendulum Summon Level 7

Nykthos, Shrine to Nyx [Theros] H9 "Final Ritual of the Ancients"Set: Theros Type: Legendary Land Rarity: Rare {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.)