Royal Assassin [Unlimited Edition] Urza's Legacy the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Set: Magic 2014 Type: Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

legendaries

and the sea takes

but it is true that these artifacts can be dangerous

Royal Assassin [Unlimited Edition] Urza's Legacy the player can activate manaSet: Unlimited Edition Type: Creature Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature. Trained in the arts of stealth, the royal assassins choose their victims carefully, relying on timing and precision rather than brute force.