Scroll Rack ONE exile target creature an opponent

exile target creature an opponent controls until this creature leaves the battlefield

where X is the mana value of the exiled card

put two of those cards into your hand instead

A 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card)

that opponent gets a poison counter

Scroll Rack ONE exile target creature an opponent{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.