Henry Wu, InGen Geneticist (Borderless) [Jurassic World Collection] Human Minion Set: Beta Edition Type: Instant

Set: Beta Edition Type: Instant Rarity: Uncommon Cost: {B} As an additional cost to cast this spell

Set: 30th Anniversary History Promos Type: Creature — Elf Druid Rarity: Rare Cost: {G} {T}: Add {G}

but when they want results

Set: Commander Masters Tokens Type: Token Creature — Ogre Rarity: Common

you may pay 0 rather than pay the mana cost for a colorless spell you cast from your hand

Henry Wu, InGen Geneticist (Borderless) [Jurassic World Collection] Human Minion Set: Beta Edition Type: InstantSet: Jurassic World Collection Type: Legendary Creature Human Scientist Rarity: Rare Cost: {B}{G}{U} Henry Wu, InGen Geneticist and other Human creatures you control have exploit. (When a creature with exploit enters the battlefield, you may sacrifice a creature.) Whenever a creature you control exploits a non Human creature, draw a card. If the exploited creature had power 3 or greater, create a Treasure token.