Sundial of the Infinite [Mystery Booster] 187 then reveals that many cards

then reveals that many cards from the top of their library

Each Theme Set takes about 40 to 60 minutes and is played together with the cards of the Basic Set

Set: Fourth Edition (Foreign Black Border) Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

Set: HeartGold & SoulSilver: Undaunted Type: Water Rarity: Common Retreat cost: Colorless

Set: Zendikar Rising Prerelease Promos Type: Creature — Insect Rarity: Rare Cost: {2}{G} Landfall — Whenever a land enters the battlefield under your control

Sundial of the Infinite [Mystery Booster] 187 then reveals that many cardsSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)