Kelsien, the Plague
Vigilance, haste Kelsien gets +1/+1 for each experience counter you have. {T}: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.
How Kelsien decks play in EDH
Kelsien, the Plague is a Mardu commander in white, black and red costing RWB, and its legendary creature - human assassin line shapes the whole deck around it. Its ability is narrow enough that the deck is usually built to protect it and repeat the effect, rather than to go wide. The cards below are the ones Kelsien, the Plague decks actually play most often, grouped by the job they do.
Most-played cards
20 cards · about $75.37Play rates from EDHREC. Prices from Scryfall, refreshed daily.
Ramp (2)
Card draw (5)
Removal (4)
Creatures (5)
Synergy & payoffs (4)
Build the full 100
Grimoire generates a complete, Commander-legal Kelsien, the Plague decklist with a written strategy, a full mana base and live prices — from the whole card pool, or only from cards you already own.
Start with KelsienKelsien deck questions
What colours can I use in a Kelsien, the Plague deck?
Kelsien, the Plague has a Mardu colour identity, so every card in the deck must be white, black and red or colourless. That includes mana symbols in rules text, not just casting cost.
What are the best cards for Kelsien, the Plague?
The cards played most often in Kelsien, the Plague decks include Kíli the Resourceful, Gleaming Splendor, Troop of Ponies. The full list of staples above is grouped by the job each card does, so you can see the deck's skeleton rather than just a pile of names.
How much does a Kelsien, the Plague deck cost?
The 20 most-played cards shown above come to roughly $75.37 at current market prices. A complete 100-card build costs more, and Grimoire can generate a budget version instead if you set a price ceiling.
Can I build a Kelsien, the Plague deck from cards I already own?
Yes. Import your collection into Grimoire and choose "my cards" when you build. The generator will only use cards you actually own, and the Missing Cards page shows what you would need to buy to finish any list.