Magical Hack [Limited Edition Beta] Antiquities Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Creature — Human Soldier Rarity: Rare Cost: {3}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Skyridge Type: Colorless Rarity: Uncommon

but it explains much

Set: Gym Challenge 1st Edition Type: Fire Rarity: Holo Rare Retreat cost: Colorless

then exile any number of them and put the rest back on top of your library in any order

Magical Hack [Limited Edition Beta] Antiquities Set: Portal Three Kingdoms Type:Set: Limited Edition Beta Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)