Polymorph 
Polymorph Penny Dreadful decklist played by mdog at The Penny Dreadful 500 (Season 42) (15 Aug 2026).
- Player
- mdog
- Finish
- #5 of 54, 6-2
- Archetype
- Polymorph
- Format
- Penny Dreadful
- MTGO
- Paper
- Source
- Penny Dreadful
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Main deck (60)
Sideboard (15)
Main deck (60)
Creatures (2)
Planeswalkers (3)
Instants (6)
Sorceries (17)
- 1 Chain Lightning
- 3 Dragon Fodder
- 3 Purphoros's Intervention
- 1 Song of Totentanz
- 2 Storm's Wrath
- 3 Sweltering Suns
- 4 Transmogrify
Artifacts (5)
Enchantments (1)
Lands (26)
Sideboard (15)
Compared with the average Polymorph list
Average of 3 decks in the 30 days up to Aug. 15, 2026, the day of this tournament.
Main deck
More than usual
- +12 Mountain (18 vs 6.0)
- +3 Dwarven Mine (4 vs 1.3)
- +3 Fire Prophecy (4 vs 1.3)
- +3 Transmogrify (4 vs 1.3)
- +3 Urabrask's Forge (4 vs 1.3)
- +3 Valakut, the Molten Pinnacle (4 vs 1.3)
- +2 Dragon Fodder (3 vs 1.0)
- +2 Lukka, Coppercoat Outcast (3 vs 1.0)
Fewer than usual
- -2 Island (0 vs 2.3)
- -2 Mirrex (0 vs 2.3)
- -2 Visionary's Dance (0 vs 2.3)
- -2 Swamp (0 vs 1.7)
- -1 Boon of the Wish-Giver (0 vs 1.3)
- -1 Dark Ritual (0 vs 1.3)
- -1 Darkslick Shores (0 vs 1.3)
- -1 Fabled Passage (0 vs 1.3)
Sideboard
More than usual
- +3 Price of Progress (4 vs 1.3)
- +1 Pithing Needle (2 vs 0.7)
- +1 Void Mirror (2 vs 0.7)
Fewer than usual
- -1 Duress (0 vs 1.3)
- -1 Deathmark (0 vs 1.0)
- -1 Jennika's Technique (0 vs 1.0)
This is the most unusual list of the archetype in this period: 37 cards away from the average.