Nether Shadow [Collectors' Edition] XY100 You can only activate 1

You can only activate 1 “Necrovalley Throne” per turn

is activated while you control a "roid" Fusion Monster: Negate the activation

Set: Legendary Collection 5D's Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2200 Defense: 1700 1 EARTH Tuner + 1+ non-Tuner EARTH monsters During either player's turn

as long as "Necrovalley" is also on the field

Sage of Memories

Nether Shadow [Collectors' Edition] XY100 You can only activate 1Set: Collectors' Edition Type: Creature Spirit Rarity: Rare Cost: {B}{B} Haste At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.