Seismic Swans 
Seismic Swans Penny Dreadful decklist played by catculator at The Penny Dreadful 500 (Season 40) (17 Jan 2026).
- Player
- catculator
- Finish
- #21 of 45, 4-3
- Archetype
- Seismic Swans
- Format
- Penny Dreadful
- MTGO
- Paper
- Source
- Penny Dreadful
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Main deck (60)
Creatures (4)
Instants (2)
Sorceries (9)
Enchantments (4)
Lands (41)
Sideboard (15)
Compared with the average Seismic Swans list
Average of 35 decks in the 90 days up to Jan. 17, 2026, the day of this tournament.
Main deck
More than usual
- +3 Crumbling Necropolis (4 vs 0.9)
- +3 Sulfurous Springs (4 vs 1.5)
- +2 Graven Cairns (4 vs 1.7)
- +2 Sunken Citadel (4 vs 2.1)
- +2 Shivan Reef (4 vs 2.1)
- +2 Ad Nauseam (2 vs 0.4)
- +2 Reflecting Pool (2 vs 0.5)
- +2 Profane Tutor (4 vs 2.5)
Fewer than usual
- -2 Vivid Crag (1 vs 3.3)
- -2 Sulfur Falls (0 vs 2.3)
- -2 Dragonskull Summit (0 vs 1.7)
- -2 Canyon Slough (0 vs 1.5)
- -1 Sacred Foundry (0 vs 1.5)
- -1 Trumpeting Carnosaur (0 vs 1.1)
- -1 Quintorius Kand (0 vs 1.1)
- -1 Fire-Lit Thicket (0 vs 1.0)
Sideboard
More than usual
- +2 Unmoored Ego (3 vs 0.9)
- +2 Iroh's Demonstration (3 vs 1.1)
- +1 Defense Grid (4 vs 2.9)
Fewer than usual
- -2 Sweltering Suns (0 vs 1.6)
Most unusual list in this period: Tappedkitty2 in League December 2025 (28 cards away from the average)