Chaos Orb [Collectors' Edition] Explorer Brood Tyrant enters the battlefield

Brood Tyrant enters the battlefield or attacks

you may put Nether Shadow onto the battlefield

Set: EX: Holon Phantoms Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

which thus is made/ A type of twin entity which springs/ From matter and light

Set: Game Night 2018 Type: Creature — Elemental Avatar Rarity: Mythic Cost: {4}{G}{G} This spell costs {1} less to cast for each opponent you have

Chaos Orb [Collectors' Edition] Explorer Brood Tyrant enters the battlefieldSet: Collectors' Edition Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.