Urza, Prince of Kroog [The Brothers' War Prerelease Promos] Elder Dragon you may cast that card

you may cast that card from exile without paying its mana cost

Hedron Detonator deals 1 damage to target opponent

Okina is the heart of Kamigawa

• Return target spell you don't control to its owner's hand

Create a 2/2 colorless Spirit creature token

Urza, Prince of Kroog [The Brothers' War Prerelease Promos] Elder Dragon you may cast that cardSet: The Brothers' War Prerelease Promos Type: Legendary Creature Human Artificer Rarity: Rare Cost: {2}{W}{U} Artifact creatures you control get +2 +2. {6}: Create a token that's a copy of target artifact you control, except it's a 1 1 Soldier creature in addition to its other types. The prince consort was happy to let Yotia's coffers fund his extravagant research.