UB Pioneer deck

Mirrorshell Crab

Quantity: 4

Omen Hawker

Quantity: 4

Pack Rat

Quantity: 4

Thoughtseize

Quantity: 4

Bitter Triumph

Quantity: 2

Fatal Push

Quantity: 4

Spell Pierce

Quantity: 2

Mazemind Tome

Quantity: 2

Reckoner Bankbuster

Quantity: 4

Darkslick Shores

Quantity: 4

Fetid Pools

Quantity: 3

Hall of Storm Giants

Quantity: 2

Island

Quantity: 1

Otawara, Soaring City

Quantity: 1

Swamp

Quantity: 1

Takenuma, Abandoned Mire

Quantity: 1

Urborg, Tomb of Yawgmoth

Quantity: 1

Watery Grave

Quantity: 4

Cling to Dust

Quantity: 3

Mystical Dispute

Quantity: 4

Narset, Parter of Veils

Quantity: 2

Ray of Enfeeblement

Quantity: 2

The Stone Brain

Quantity: 4