Seismic Swans 
Seismic Swans Penny Dreadful decklist played by catculator at League December 2025 (1 Jan 2026).
- Player
- catculator
- Finish
- 2-3
- Event
- League December 2025,
- Archetype
- Seismic Swans
- Format
- Penny Dreadful
- MTGO
- Paper
- Source
- Penny Dreadful
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Main deck (60)
Sideboard (15)
Main deck (60)
Creatures (7)
Planeswalkers (3)
Instants (1)
Sorceries (4)
Enchantments (4)
Lands (41)
Sideboard (15)
Compared with the average Seismic Swans list
Average of 37 decks in the 90 days up to Jan. 1, 2026, the day of this tournament.
Main deck
More than usual
- +3 Forgotten Cave (4 vs 0.5)
- +3 Sacred Foundry (4 vs 1.4)
- +2 Clifftop Retreat (3 vs 0.6)
- +2 Throes of Chaos (4 vs 1.7)
- +2 Rugged Prairie (4 vs 1.7)
- +2 Sunken Citadel (4 vs 1.8)
- +2 Quintorius Kand (3 vs 1.0)
- +2 Trumpeting Carnosaur (3 vs 1.1)
Fewer than usual
- -3 Profane Tutor (0 vs 2.5)
- -2 Shivan Reef (0 vs 2.2)
- -2 Treasure Hunt (0 vs 1.9)
- -2 Dragonskull Summit (0 vs 1.7)
- -2 Graven Cairns (0 vs 1.6)
- -2 Canyon Slough (0 vs 1.6)
- -1 Sulfurous Springs (0 vs 1.4)
- -1 Fire-Lit Thicket (0 vs 1.2)
Sideboard
More than usual
- +3 Iroh's Demonstration (4 vs 1.0)
- +2 Pyroclasm (3 vs 1.1)
- +2 Shredded Sails (3 vs 1.4)
Fewer than usual
- -2 Sweltering Suns (0 vs 1.7)
- -1 Countryside Crusher (0 vs 1.1)
Most unusual list in this period: Tappedkitty2 in League December 2025 (27 cards away from the average)