Mono Blue Librarians 
Mono Blue Librarians Penny Dreadful decklist played by deatheater900 at League October 2025 (31 Oct 2025).
- Player
- deatheater900
- Finish
- 1-0
- Event
- League October 2025,
- Archetype
- Mono Blue Librarians
- Format
- Penny Dreadful
- MTGO
- Paper
- Source
- Penny Dreadful
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Main deck (60)
Creatures (17)
- 4 Academy Loremaster
- 3 Horned Loch-Whale // Lagoon Breach
- 4 Malcolm, Alluring Scoundrel
- 4 Stoic Sphinx
- 2 Vendilion Clique
Instants (17)
- 4 Archmage's Charm
- 4 Cryptic Command
- 1 Cyclonic Rift
- 1 Dig Through Time
- 1 Negate
- 3 Repeal
- 2 Spell Pierce
- 1 Thassa's Intervention
Artifacts (3)
Lands (23)
- 23 Island
Sideboard (15)
Compared with the average Mono Blue Librarians list
Average of 30 decks in the 30 days up to Oct. 31, 2025, the day of this tournament.
Main deck
More than usual
- +3 Stoic Sphinx (4 vs 1.0)
- +3 Repeal (3 vs 0.5)
- +2 Malcolm, Alluring Scoundrel (4 vs 2.3)
- +2 Vendilion Clique (2 vs 0.3)
- +2 Spell Pierce (2 vs 0.4)
- +1 Horned Loch-Whale (3 vs 1.6)
- +1 Cryptic Command (4 vs 2.8)
- +1 Vedalken Shackles (3 vs 1.9)
Fewer than usual
- -3 Out of Air (0 vs 2.7)
- -2 Deduce (0 vs 2.1)
- -2 Shark Typhoon (0 vs 1.7)
- -1 Forbid (0 vs 1.3)
- -1 Torrential Gearhulk (0 vs 1.2)
- -1 Kami of the Crescent Moon (0 vs 1.1)
- -1 Leyline of Anticipation (0 vs 1.1)
- -1 Mystic Reflection (0 vs 1.1)
Sideboard
More than usual
- +3 Engulf the Shore (3 vs 0.3)
- +1 Disdainful Stroke (2 vs 0.5)
- +1 Spell Pierce (2 vs 0.9)
Fewer than usual
- -2 Aetherspouts (0 vs 1.5)
- -1 Malcolm, Alluring Scoundrel (0 vs 1.4)
- -1 Disallow (0 vs 1.2)
- -1 Negate (1 vs 2.0)
Most unusual list in this period: glendaloc in League October 2025 (25 cards away from the average)