Inferno of the Star Mounts (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Shadows over Innistrad Promos Probably fine

Probably fine

Set: Sun & Moon: Burning Shadows Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

Creature (27)

Set: Kaldheim Prerelease Promos Type: Creature — Demon Berserker Rarity: Mythic Cost: {4}{B}{B} Flying

When Kor Skyfisher enters the battlefield

Inferno of the Star Mounts (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Shadows over Innistrad Promos Probably fineSet: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Legendary Creature Dragon Rarity: Mythic Cost: {4}{R}{R} This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1 +0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target. The ancient dragon Imvaernarhro has earned his fiery nickname.