Myojin of Night's Reach and Grim Betrayal [Unknown Event] Elf Ally He's switched sides so often

He's switched sides so often that he has become everyone's ally yet no one's friend

Set: Legends Type: Creature — Elf Rarity: Rare Cost: {3}{G}{G} Elven Riders can't be blocked except by Walls and/or creatures with flying

Set: Core Set 2020 Promos Type: Legendary Creature — Demon Rarity: Rare Cost: {5}{B}{B}{B} Flying

Set: Innistrad: Double Feature Type: Legendary Creature — Vampire Noble Rarity: Mythic Cost: {4}{B}{R} Flying

Set: Fourth Edition (Foreign Black Border) Type: Creature — Djinn Rarity: Rare Cost: {4}{U}{U} Flying (This creature can't be blocked except by creatures with flying or reach

Myojin of Night's Reach and Grim Betrayal [Unknown Event] Elf Ally He's switched sides so oftenSet: Unknown Event Type: Legendary Creature Spirit Rarity: Common Myojin of Night's Reach and Grim Betrayal enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from CARDNAME: Each opponent discards their hand. Put onto the battlefield under your control all creature cards in all graveyards that were put there from anywhere this turn.