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Roil Cartographer

First printed in Modern Horizons 3 (2024)

All 2 prints

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Roil Cartographer

Creature — Merfolk Rogue

Landfall — Whenever a land you control enters, you get energy (an energy counter).
tap, Pay six energy: Draw three cards.

"The world shifts constantly, but that doesn't mean it can't be mapped. Our maps must shift as well."

1/3

Illustrated by
Miranda Meeks

Legality

Rulings (12)

  • energy is the energy symbol. It represents one energy counter.
  • Some triggered abilities that state that you "may pay" a certain amount of energy describe an effect that happens "If you do." In that case, no player may take actions to try to stop the ability's effect after you make your choice. If the payment is followed by the phrase "When you do," then you'll choose any targets for that reflexive triggered ability and put it on the stack before players can take actions.
  • Keep track of how many energy counters each player has. Potential ways to track this include writing theme down on paper or using dice, but any method that is clear and mutually agreeable is fine. (At higher levels of tournament play, dice may not be allowed for tracking counters that players have.)
  • Some spells and abilities that give you energy may require targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve. You won't get any energy.
  • If a spell or ability with one or more targets states that you "may pay" some amount of energy, and each permanent that it targets has become an illegal target, the spell or ability won't resolve. You can't pay any energy even if you want to.
  • Energy counters are a kind of counter that a player may have. They're not associated with any specific permanents.
  • If an effect says you get one or more energy, you get that many energy counters. To pay one or more energy, you lose that many energy counters. You can't pay more energy counters than you have. Any effects that interact with counters a player gets, has, or loses can interact with energy counters.
  • Some triggered abilities state that you "may pay" a certain amount of energy. You can't pay that amount multiple times to multiply the effect. You simply choose whether or not to pay that amount of energy as the ability resolves.
  • Energy counters aren't mana. They don't go away as steps, phases, and turns end, and effects that add mana "of any type" can't give you energy counters.
  • A landfall ability doesn't trigger if a permanent already on the battlefield becomes a land.
  • A landfall ability triggers whenever a land you control enters for any reason. It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control.
  • Whenever a land you control enters, each landfall ability of the permanents you control will trigger. You can put them   on the stack in any order. The last ability you put on the stack will be the first one to resolve (As a result, you can have those abilities resolve in the order of your choosing.).

Prices

MTGO price: 0.003 TIX, the cheapest non-foil print (average sell price on GoatBots, 30 Oct 2026).

In Limited on MTG Arena

Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).

Win rates of Roil Cartographer in Limited
Set GIH WR vs set IWD Games
Modern Horizons 3 (MH3), Premier Draft 57.6% +2.5 +5.3 32700
Modern Horizons 3 (MH3), Sealed 53.1% -2.9 -1.5 1064
GIH WR
win rate of the games in which the card was in the opening hand or drawn
vs set
points above or below the average win rate of all decks in the set
IWD
improvement when drawn: GIH WR minus the win rate when the card stayed in the library
Games
games in which the card was seen

Commander In 2 of 6163 decks (0.0%), most in Satya, Aetherflux Genius

Share of decks
0.0%
▼ 0.1 vs previous 30 days
2026-08-22: 0.1% 2026-08-29: 0.1% 2026-09-05: 0.0% 2026-09-12: 0.2% 2026-09-19: 0.0% 2026-09-26: 0.0% 2026-10-03: 0.0% 2026-10-10: 0.1% 2026-10-17: 0.0% 2026-10-24: 0.1%
Weekly, last 90 days
Decks
2
2 main, 0 sideboard
Avg. copies
1.0
in the main deck
Win rate
–
0 top 8 (challenges only)

Archetypes by metagame share

Archetype Meta Play it
Satya, Aetherflux Genius 0.0% 67%

Played together with

Not enough decks yet.

Best win rate

No challenge results yet.

Challenges only: MTGO publishes only the 5-0 league decks.

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