Arcum Dagsson wants a deck that searches its deck for the right answer to each problem. It also suits a deck that gives up its own cards on purpose to get something back.
Mana cost
Blue ()
Power / toughness2 / 2
RarityRare
: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.
Picked for what they do in Arcum Dagsson's deck. When two cards do the same job, the one with the lower comes first. All of them fit Arcum Dagsson's color identity.Mana ValueThe total amount of mana a card costs, all added up. A card costing two generic and one green has a mana value of three. Wizards renamed this from "converted mana cost" in 2021, so older cards and articles may still use the old name.Open the full glossary
explain how Arcum Dagsson works in tricky situations. They come from Wizards of the Coast, the company that makes Magic.RulingThe official answer to how a card works in a tricky situation. Most rulings are written by Wizards of the Coast, the company that makes Magic, and a few are notes from Scryfall, the card database Magic players use. A ruling explains a card. It does not change what the card says.Open the full glossary
Wizards of the Coast7 Aug 2020
Any triggered abilities that trigger when the creature is sacrificed will be put onto the stack at the same time as any triggered abilities that trigger when the noncreature artifact enters the battlefield.
Wizards of the Coast7 Aug 2020
Arcum Dagsson's ability targets an artifact creature, not the player who controls it.
Wizards of the Coast7 Aug 2020
If the target artifact creature is an illegal target by the time Arcum's ability tries to resolve, the ability won't resolve. No player searches their library. If the target is legal but not sacrificed (most likely because of an effect such as that of Sigarda, Host of Herons), its controller does search their library for a noncreature artifact card.
Color identityEvery color of mana symbol on a card, in its cost and in its rules text. Your commander's color identity sets the limit for your whole deck: every other card has to fit inside it. A deck led by a green and white commander cannot play a card with any blue in its color identity.Open the full glossaryUPlayers write colors as letters: U for blue. Blue is U because B was already taken by black.ToolboxToolbox decks carry one perfect answer for each kind of problem, plus plenty of cards that search the deck for whichever one they need. A card that searches your deck for another card is called a tutor.Open the Toolbox pageRepeatable TutorA search for a card that you can repeat, because it sits on a permanent rather than being a one-time spell. It works as an ability or a trigger, and it is the heart of a Toolbox deck: one card that can find the right answer every turn. Sisay, Weatherlight Captain, Survival of the Fittest, Birthing PodOpen the Repeatable Tutor pageTutor - BroadFinds any card of a broad type: creature, artifact, enchantment, instant or sorcery. Mystical Tutor, Worldly Tutor, Enlightened Tutor.Open the Tutor - Broad pageTutorSearches your deck for a specific card. Because a Commander deck may only contain one copy of each card, a tutor is how you reliably find the exact one you need. See the Tutor tier tags for how broad each search is. Demonic TutorOpen the Tutor pageSacrificeSacrifice decks give up their own creatures, Treasures and other cards on purpose and get something back each time. A sacrifice outlet, a card that lets you sacrifice whenever you want, is the heart of the deck.Open the Sacrifice pageForced SacrificeMakes opponents sacrifice their own permanents. Because they choose what to lose, it gets around protection and hexproof that ordinary removal cannot touch. Braids, Arisen Nightmare, Living DeathOpen the Forced Sacrifice pageSelf-SacrificeSacrifices itself as part of its own ability, trading the permanent away for what it does. Evolving Wilds, Mind StoneOpen the Self-Sacrifice pageStaxStax decks slow the whole game down with cards that make spells cost more, stop lands from untapping, or limit what players can do each turn. The deck is built so those limits hurt it least. Many groups dislike playing against it, so check with your table first.Open the Stax page
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: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.
Open the full glossary
