Nahiri, the Harbinger [Shadows over Innistrad Prerelease Promos] Magic Player Rewards 2007 If a creature an opponent

If a creature an opponent controls attacks

Those tokens gain haste

you can't be attacked except by creatures with flying and/or islandwalk

Set: Fifth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Overload {6}{U} (You may cast this spell for its overload cost

Nahiri, the Harbinger [Shadows over Innistrad Prerelease Promos] Magic Player Rewards 2007 If a creature an opponentSet: Shadows over Innistrad Prerelease Promos Type: Legendary Planeswalker Nahiri Rarity: Mythic Cost: {2}{R}{W} +2: You may discard a card. If you do, draw a card. 2: Exile target enchantment, tapped artifact, or tapped creature. 8: Search your library for an artifact or creature card, put it onto the battlefield, then shuffle. It gains haste. Return it to your hand at the beginning of the next end step.