The Marvelous Scientist [Unknown Event]

Set: Unknown Event Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U}{R} As this creature enters the battlefield, choose cosplay or science.• Cosplay — Whenever you cast a creature or planeswalker spell, this creature's base power and toughness each become equal to that spell's mana value until end of turn.• Science — Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.