First Stage of Magic Design [Unknown Event] Core Set 2019 Prerelease Promos you're doing it wrong

you're doing it wrong

000 Type: Legendary Creature — Demon Primarch Rarity: Rare Cost: {3}{U}{R} Flying

Secluded Glen enters tapped

Set: Arena League 2004 Type: Instant Rarity: Rare Cost: {B} Open a sealed Magic booster pack

Set: Jumpstart 2022 Type: Creature — Shapeshifter Pirate Rarity: Mythic Cost: {4}{U} When may have Pirated copy enter the battlefield as a copy of any creature on the battlefield

First Stage of Magic Design [Unknown Event] Core Set 2019 Prerelease Promos you're doing it wrongSet: Unknown Event Type: Instant Rarity: Rare Cost: {W}{U}{B}{R}{G} You gain 3 life. Draw three cards. Add {B}{B}{B}. This spell deals 3 damage to any target. Target creature gets +3 +3 until end of turn.