Unhinged Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/5 (20.0%)
Forest
Island
Mountain
Plains
Swamp

Sheet common (color balanced)

At rate 1/55 (1.82%)
AWOL
Artful Looter
Bad Ass
Bloodletter
Brushstroke Paintermage
Bursting Beebles
Cardpecker
Carnivorous Death-Parrot
Cheap Ass
Circle of Protection: Art
Double Header
Duh
Dumb Ass
Erase (Not the Urza's Legacy One)
Farewell to Arms
Fascist Art Director
Fat Ass
Flaccify
Framed!
Frazzled Editor
Goblin Mime
Goblin S.W.A.T. Team
Goblin Secret Agent
Graphic Violence
Keeper of the Sacred Word
Land Aid '04
Laughing Hyena
Little Girl
Loose Lips
Man of Measure
Mana Flair
Moniker Mage
Monkey Monkey Monkey
Mons's Goblin Waiters
Mother of Goons
Number Crunch
Orcish Paratroopers
Our Market Research Shows That Players Like Really Long Card Names So We Made this Card to Have the Absolute Longest Card Name Ever Elemental
Punctuate
Red-Hot Hottie
Remodel
S.N.O.T.
Sauté
Shoe Tree
Smart Ass
Standing Army
Stop That
Supersize
Tainted Monkey
The Fallen Apart
Touch and Go
Vile Bile
Wet Willie of the Damned
When Fluffy Bunnies Attack
Wordmail

Sheet uncommon

At rate 1/40 (2.5%)
Atinlay Igpay
Booster Tutor
Bosom Buddy
Cheatyface
Creature Guy
Deal Damage
Elvish House Party
Emcee
Eye to Eye
Face to Face
First Come, First Served
Gluetius Maximus
Granny's Payback
Head to Head
Kill! Destroy!
Ladies' Knight
Magical Hacker
Mana Screw
Mise
Mouth to Mouth
My First Tome
Name Dropping
Persecute Artist
Phyrexian Librarian
Pygmy Giant
Question Elemental?
Rocket-Powered Turbo Slug
Rod of Spanking
Save Life
Side to Side
Six-y Beast
Spell Counter
Stone-Cold Basilisk
Symbol Status
Togglodyte
Toy Boat
Urza's Hot Tub
Working Stiff
Zombie Fanboy
_____

Sheet rare_mythic

At rate 1/40 (2.5%)
"Ach! Hans, Run!"
Aesthetic Consultation
Ambiguity
Ass Whuppin'
Assquatch
Avatar of Me
B-I-N-G-O
Blast from the Past
City of Ass
Collector Protector
Curse of the Fire Penguin
Drawn Together
Enter the Dungeon
Form of the Squirrel
Fraction Jackson
Frankie Peanuts
Gleemax
Greater Morphling
Infernal Spawn of Infernal Spawn of Evil
Johnny, Combo Player
Letter Bomb
Look at Me, I'm R&D
Meddling Kids
Mox Lotus
Necro-Impotence
Now I Know My ABC's
Old Fogey
Pointy Finger of Doom
R&D's Secret Lair
Rare-B-Gone
Richard Garfield, Ph.D.
Staying Power
Time Machine
Topsy Turvy
Uktabi Kong
Water Gun Balloon Game
Who
World-Bottling Kit
Yet Another Aether Vortex
Zzzyxas's Abyss

Sheet unhinged_foil

At rate 1/100 (1.0%)
AWOL
Artful Looter
Bad Ass
Bloodletter
Brushstroke Paintermage
Bursting Beebles
Cardpecker
Carnivorous Death-Parrot
Cheap Ass
Circle of Protection: Art
Double Header
Duh
Dumb Ass
Erase (Not the Urza's Legacy One)
Farewell to Arms
Fascist Art Director
Fat Ass
Flaccify
Forest
Framed!
Frazzled Editor
Goblin Mime
Goblin S.W.A.T. Team
Goblin Secret Agent
Graphic Violence
Island
Keeper of the Sacred Word
Land Aid '04
Laughing Hyena
Little Girl
Loose Lips
Man of Measure
Mana Flair
Moniker Mage
Monkey Monkey Monkey
Mons's Goblin Waiters
Mother of Goons
Mountain
Number Crunch
Orcish Paratroopers
Our Market Research Shows That Players Like Really Long Card Names So We Made this Card to Have the Absolute Longest Card Name Ever Elemental
Plains
Punctuate
Red-Hot Hottie
Remodel
S.N.O.T.
Sauté
Shoe Tree
Smart Ass
Standing Army
Stop That
Supersize
Swamp
Tainted Monkey
The Fallen Apart
Touch and Go
Vile Bile
Wet Willie of the Damned
When Fluffy Bunnies Attack
Wordmail
At rate 1/160 (0.63%)
Atinlay Igpay
Booster Tutor
Bosom Buddy
Cheatyface
Creature Guy
Deal Damage
Elvish House Party
Emcee
Eye to Eye
Face to Face
First Come, First Served
Gluetius Maximus
Granny's Payback
Head to Head
Kill! Destroy!
Ladies' Knight
Magical Hacker
Mana Screw
Mise
Mouth to Mouth
My First Tome
Name Dropping
Persecute Artist
Phyrexian Librarian
Pygmy Giant
Question Elemental?
Rocket-Powered Turbo Slug
Rod of Spanking
Save Life
Side to Side
Six-y Beast
Spell Counter
Stone-Cold Basilisk
Symbol Status
Togglodyte
Toy Boat
Urza's Hot Tub
Working Stiff
Zombie Fanboy
_____
At rate 3/820 (0.37%)
"Ach! Hans, Run!"
Aesthetic Consultation
Ambiguity
Ass Whuppin'
Assquatch
Avatar of Me
B-I-N-G-O
Blast from the Past
City of Ass
Collector Protector
Curse of the Fire Penguin
Drawn Together
Enter the Dungeon
Form of the Squirrel
Fraction Jackson
Frankie Peanuts
Gleemax
Greater Morphling
Infernal Spawn of Infernal Spawn of Evil
Johnny, Combo Player
Letter Bomb
Look at Me, I'm R&D
Meddling Kids
Mox Lotus
Necro-Impotence
Now I Know My ABC's
Old Fogey
Pointy Finger of Doom
R&D's Secret Lair
Rare-B-Gone
Richard Garfield, Ph.D.
Staying Power
Super Secret Tech
Time Machine
Topsy Turvy
Uktabi Kong
Water Gun Balloon Game
Who
World-Bottling Kit
Yet Another Aether Vortex
Zzzyxas's Abyss