Myra the Magnificent [Unfinity] Mirrodin Besieged Prerelease Promos Sacrifice another creature: Target creature

Sacrifice another creature: Target creature gets -2/-2 until end of turn

where X is the number of creatures in your party

you may return Deathmist Raptor from your graveyard to the battlefield face up or face down

and Nether Spirits for the win

Impulsive Return deals damage to each player equal to the number of Revelers on the battlefield

Myra the Magnificent [Unfinity] Mirrodin Besieged Prerelease Promos Sacrifice another creature: Target creatureSet: Unfinity Type: Legendary Creature Human Performer Rarity: Mythic Cost: {2}{U}{R} Whenever you cast an instant or sorcery spell from your hand, open an Attraction. {X}, {T}: Exile target instant or sorcery card with mana value X from your graveyard and choose an Attraction you control that doesn't have a midway counter on it. Put a midway counter on it. Whenever you visit that attraction, copy the exiled card. You may cast the copy without paying