Narset's Reversal [War of the Spark Prerelease Promos] Magic Player Rewards 2004 Scholars say that arbiters exist

Scholars say that arbiters exist on every world

0: Exile the top card of your library

Set: Stronghold Type: Enchantment Rare Cost: {G} Whenever an opponent plays a land

the Awoken World

A delicate veil of glamers can prove as sturdy as iron

Narset's Reversal [War of the Spark Prerelease Promos] Magic Player Rewards 2004 Scholars say that arbiters existSet: War of the Spark Prerelease Promos Type: Instant Rarity: Rare Cost: {U}{U} Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy. "In the disarray of battle, an enemy's attack may be your most convenient weapon." Narset