Flock Together - Phantom Nightmare (PHNI)

Place 1 monster from your Deck in your Spell & Trap Zone as a face-up Continuous Spell. You can banish this card from your GY; place 1 monster from your Deck in your Spell & Trap Zone as a face-up Continuous Trap. You can only use 1 "Flock Together" effect per turn, and only once that turn. The total number of cards in the Monster Zones and face-up Monster Cards in the Spell & Trap Zones must be 10 or more to activate either of this card's effects.