In the Eye of Chaos [Legends] Battle for Zendikar Prerelease Promos Set: Saviors of Kamigawa Type:

Set: Saviors of Kamigawa Type: Legendary Creature — Human Rogue Rarity: Rare Cost: {2}{U}{U} You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield

where X is the converted mana cost of the exiled creature

Lord Tennyson

Set: Kaladesh Prerelease Promos Type: Legendary Creature — Vedalken Artificer Rarity: Rare Cost: {3}{U} Artifacts you control have hexproof

Set: Modern Masters Type: Land Rare Cost: Whenever City of Brass becomes tapped

In the Eye of Chaos [Legends] Battle for Zendikar Prerelease Promos Set: Saviors of Kamigawa Type:Set: Legends Type: World Enchantment Rare Cost: {2}{U} Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its converted mana cost.