Oketra the True [Amonkhet Prerelease Promos] Swamp Mountain attach it to target legendary

attach it to target legendary creature you control

Set: Commander Masters Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza

You may cast it without paying its mana cost

each opponent loses 5 life

Set: Fourth Edition (Foreign Black Border) Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

Oketra the True [Amonkhet Prerelease Promos] Swamp Mountain attach it to target legendarySet: Amonkhet Prerelease Promos Type: Legendary Creature God Rarity: Mythic Cost: {3}{W} Double strike, indestructible Oketra the True can't attack or block unless you control at least three other creatures. {3}{W}: Create a 1 1 white Warrior creature token with vigilance.