Ulamog, the Infinite Gyre wants a deck that piles armor and magic onto one creature and attacks with it. It also suits a deck that gives up its own cards on purpose to get something back.
Mana cost
Colorless
Power / toughness10 / 10
RarityMythic
When you cast this spell, destroy target permanent.
Indestructible
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)
When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
Picked for what they do in Ulamog's deck. When two cards do the same job, the one with the lower comes first. All of them fit Ulamog'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 Ulamog 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 Coast15 Jun 2010
Annihilator abilities trigger and resolve during the declare attackers step. The defending player chooses and sacrifices the required number of permanents before they declare blockers. Any creatures sacrificed this way won't be able to block.
Wizards of the Coast15 Jun 2010
If a creature with annihilator is attacking a planeswalker, and the defending player chooses to sacrifice that planeswalker, the attacking creature continues to attack. It may be blocked. If it isn't blocked, it simply won't deal combat damage to anything.
Wizards of the Coast1 Jul 2013
Lethal damage and effects that say "destroy" won't cause a creature with indestructible to be put into the graveyard. However, a creature with indestructible can be put into the graveyard for a number of reasons. The most likely reasons are if it's sacrificed, if it's legendary and another legendary creature with the same name is controlled by the same player, or if its toughness is 0 or less.
Wizards of the Coast7 Dec 2018
Ulamog's ability triggers as you cast it, and that ability resolves before the spell itself. It resolves even if that spell is countered.
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 glossaryVoltronVoltron decks load one creature, usually the commander, with Equipment and Auras until it can win by attacking on its own. In Commander, a player dealt 21 or more combat damage by the same commander over the game loses, so one huge commander can knock a player out.Open the Voltron pageProtectionA creature with protection from something, like a color, is safe from anything with that quality. It cannot be damaged, enchanted or equipped, blocked, or targeted by it, and players remember the four with the word DEBT. It does not stop effects that neither target nor damage, like a board wipe that destroys every creature. ProgenitusOpen the Protection 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 pageGraveyard HateEmpties graveyards or stops cards from coming back out of them, shutting down decks built on reusing their graveyard. Bojuka Bog, Scavenger Grounds. It answers a whole plan rather than one card: without it, something like Eternal Witness keeps returning the same card all game.Open the Graveyard Hate pageRecursionBrings cards back from the graveyard: to your hand, to the battlefield, or letting them be cast again from where they lie. Eternal Witness, Reanimate, VictimizeOpen the Recursion pageTarget RemovalRemoves a single chosen permanent by destroying it, exiling it or returning it to its owner's hand, however big it is. It is the precise answer to one problem, as opposed to a board wipe that hits everything. Damage and -X/-X can miss a big creature, so they are Damage Removal and -X/-X Removal instead. Swords to Plowshares, Beast WithinOpen the Target Removal 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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