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 7 decks in the 90 days up to Aug. 15, 2026, the day of this tournament.
Main deck
More than usual
- +15 Mountain (18 vs 2.6)
- +3 Dwarven Mine (4 vs 0.6)
- +3 Fire Prophecy (4 vs 0.6)
- +3 Transmogrify (4 vs 0.6)
- +3 Urabrask's Forge (4 vs 0.6)
- +3 Valakut, the Molten Pinnacle (4 vs 0.6)
- +3 Dragon Fodder (3 vs 0.4)
- +3 Lukka, Coppercoat Outcast (3 vs 0.4)
Fewer than usual
- -3 Island (0 vs 2.9)
- -3 Polymorph (0 vs 2.9)
- -2 Darkslick Shores (0 vs 2.3)
- -2 Opt (0 vs 1.7)
- -2 River of Tears (0 vs 1.7)
- -2 Mirrex (0 vs 1.6)
- -1 Aether Spike (0 vs 1.1)
- -1 Blood Funnel (0 vs 1.1)
Sideboard
More than usual
- +3 Price of Progress (4 vs 0.6)
- +2 Pithing Needle (2 vs 0.3)
- +2 Void Mirror (2 vs 0.3)
- +1 Ratchet Bomb (2 vs 0.6)
Fewer than usual
- -1 Duress (0 vs 1.4)
- -1 Brush Off (0 vs 1.3)
- -1 Spell Pierce (0 vs 1.1)
This is the most unusual list of the archetype in this period: 47 cards away from the average.