Everdream [Mystery Booster] Nightmare Merfolk you may cast the copy

you may cast the copy without paying its mana cost

Set: Phyrexia: All Will Be One Prerelease Promos Type: Artifact Creature — Phyrexian Masticore Rarity: Rare Cost: {5} First strike

Set: Dominaria United Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {3} Karn's Sylex enters the battlefield tapped

Place a card face up to start the game

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Type: Legendary Artifact Rarity: Rare Cost: {G} At the beginning of your upkeep

Everdream [Mystery Booster] Nightmare Merfolk you may cast the copySet: Mystery Booster Type: Instant Rarity: Uncommon Cost: {1}{U} Draw a card. Splice onto instant or sorcery {2}{U} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)