Picked for what they do in Speedball's deck. When two cards do the same job, the one with the lower comes first. All of them fit Speedball'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
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 glossaryURPlayers write colors as letters: U for blue, R for red. Blue is U because B was already taken by black.ControlControl decks answer what everyone else plays, stopping spells and removing dangerous cards, then win slowly once they are in charge. Expect lots of removal, spells that cancel other spells, and extra card draw.Open the Control pageStack InteractionActs while a spell is waiting to take effect: countering it, changing what it targets, or copying it. When someone casts a spell it waits on the stack, and every player gets priority, a chance to respond, before it happens. Counterspell, NegateOpen the Stack Interaction pageAikido / RedirectionTurns an opponent's own spell, ability or damage back on them. It changes the spell's target, copies it, or sends the damage somewhere else. Aikido is the community's name for it, borrowed from the martial art. Deflecting Swat, Narset's ReversalOpen the Aikido / Redirection page
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