Sundial of the Infinite [Mystery Booster] 187 it deals 7 damage to

it deals 7 damage to each nonlegendary creature

you must keep the forest a healthy and lush home for your little friends

then reveals that many cards from the top of their library

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

Sundial of the Infinite [Mystery Booster] 187 it deals 7 damage toSet: 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.)