Dungeons & Dragons: Adventures in the Forgotten Realms

White Dragon | Creature | Dragon | Flying Cold Breath — When White Dragon enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Billy Christian

Sudden Insight | Instant | | Draw a card for each different mana value among nonland cards in your graveyard. | Dan Scott

Red Dragon | Creature | Dragon | Flying Fire Breath — When Red Dragon enters the battlefield, it deals 4 damage to each opponent. | Andrey Kuzinskiy

Green Dragon | Creature | Dragon | Flying Poison Breath — When Green Dragon enters the battlefield, until end of turn, whenever a creature an opponent controls is dealt damage, destroy it. | Ilse Gort