Card

Paradigm Shift

Mana cost {1}{U}

Exile all cards from your library. Then shuffle your graveyard into your library.

Part of 8 known combos, 3 of them two-card. 1 official ruling.

Bracket

B1 Exhibition — Not in the same deck as its two-card combo partners: Thassa's Oracle, Laboratory Maniac, Jace, Wielder of Mysteries
B2 Core — Not in the same deck as its two-card combo partners: Thassa's Oracle, Laboratory Maniac, Jace, Wielder of Mysteries
B3 Upgraded — Not in the same deck as its early two-card combo partners: Thassa's Oracle, Laboratory Maniac, Jace, Wielder of Mysteries
B4 Optimized — allowed: No restriction beyond the banned list
B5 cEDH — allowed: No restriction beyond the banned list

Two-card combo with Thassa's Oracle, Laboratory Maniac, Jace, Wielder of Mysteries (early with Thassa's Oracle, Laboratory Maniac, Jace, Wielder of Mysteries)

Bracket: Lotus Vault analysis, with Commander Spellbook flags

8 known combos, 3 of them two-card.

2013-07-01 · Wizards of the Coast
This card won’t be put into your graveyard until after it’s finished resolving, which means it won’t be shuffled into your library as part of its own effect.

Rulings: Scryfall · Wizards of the Coast