Mono Blue Librarians 
Mono Blue Librarians Penny Dreadful decklist played by glendaloc at League October 2025 (31 Oct 2025).
- Player
- glendaloc
- Finish
- 3-1
- Event
- League October 2025,
- Archetype
- Mono Blue Librarians
- Format
- Penny Dreadful
- MTGO
- Paper
- Source
- Penny Dreadful
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- MTGO Download for MTGO
- MTG Arena Download for MTG Arena
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Main deck (60)
Sideboard (15)
Main deck (60)
Creatures (12)
Instants (22)
- 4 Archmage's Charm
- 3 Cryptic Command
- 1 Cyclonic Rift
- 4 Deduce
- 4 Out of Air
- 2 Repeal
- 4 Unsummon
Artifacts (1)
Enchantments (3)
Lands (22)
- 14 Island
- 4 Sunken Hollow
- 4 Sunken Ruins
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
- +4 Sunken Hollow (4 vs 0.3)
- +4 Sunken Ruins (4 vs 0.3)
- +4 Volatile Stormdrake (4 vs 0.3)
- +4 Unsummon (4 vs 0.4)
- +2 Deduce (4 vs 2.1)
- +2 Malcolm, Alluring Scoundrel (4 vs 2.3)
- +2 Utter Insignificance (2 vs 0.3)
- +2 Repeal (2 vs 0.5)
Fewer than usual
- -8 Island (14 vs 22.0)
- -2 Vedalken Shackles (0 vs 1.9)
- -2 Shark Typhoon (0 vs 1.7)
- -2 Horned Loch-Whale (0 vs 1.6)
- -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)
Sideboard
More than usual
- +4 Aegis Turtle (4 vs 0.3)
- +3 Bitterblossom (3 vs 0.2)
- +2 Spell Pierce (3 vs 0.9)
- +2 Pithing Needle (3 vs 1.5)
Fewer than usual
- -2 Negate (0 vs 2.0)
- -2 Aetherspouts (0 vs 1.5)
- -1 Malcolm, Alluring Scoundrel (0 vs 1.4)
- -1 Disallow (0 vs 1.2)
- -1 Ratchet Bomb (0 vs 1.2)
This is the most unusual list of the archetype in this period: 25 cards away from the average.