Mirri's Guile [Tempest] Classic Sixth Edition or triggered ability

or triggered ability

Note the type of mana spent to pay this activation cost

Set: Modern Masters 2015 Type: Tribal Enchantment — Faerie Rarity: Mythic Cost: {1}{B} At the beginning of your upkeep

look at the top four cards of your library

Set: Aether Revolt Prerelease Promos Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U} Instant and sorcery spells you cast cost {1} less to cast

Mirri's Guile [Tempest] Classic Sixth Edition or triggered abilitySet: Tempest Type: Enchantment Rarity: Rare Cost: {G} At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order. Hanna was astounded. Mirri read every leaf and wisp of breeze like a book of ancient lore.