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Mirrodin Besieged
Enchantment
rare
As this enchantment enters, choose Mirran or Phyrexian. • Mirran — Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token. • Phyrexian — At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.
Card Kingdom
CardmarketSemantic Tags
A spell that replaces itself by drawing a card as part of its resolution.
Puts additional cards into your hand. Includes direct draw, 'look/reveal and put into hand' effects, and conditional draw triggers.
Cards that directly win the game or threaten to end it quickly. Includes 'you win the game' effects and massive threats.
Cares about cards in the graveyard, puts cards into the graveyard, or benefits from things dying.
Draw-then-discard or discard-then-draw effects that improve hand quality without net card advantage.
A card or token on the battlefield. See rule 110, “Permanents.”
Creates creature tokens, Treasure tokens, Food tokens, Clue tokens, or other token types.
Format Legality
Price history
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Printings (2)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| The List#MH1-57 | rare | · | · | · |
| Modern Horizons#57 | rare | · | · | · |
Related Rules
If an ability would produce one or more mana of an undefined type, it produces no mana instead.
Some abilities produce mana based on the type of mana another permanent or permanents “could produce.” The type of mana a permanent could produce at any time includes any type of mana that an ability of that permanent would produce if the ability were to resolve at that time, taking into account any applicable replacement effects in any possible order. Ignore whether any costs of the ability could or could not be paid. If that permanent wouldn’t produce any mana under these conditions, or no type of mana can be defined this way, there’s no type of mana it could produce.
To “tap [a permanent] for mana” is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, “Mana Abilities.”
An ability that triggers whenever a permanent “is tapped for mana” or is tapped for mana of a specified type triggers whenever such a mana ability resolves and produces mana or the specified type of mana.
A replacement effect that applies if a permanent “is tapped for mana” or tapped for mana of a specific type and/or amount modifies the mana production event while such an ability is resolving and producing mana or the specified type and/or amount of mana.
If an object’s enters-the-battlefield triggered ability or replacement effect refers to X, and the spell that became that object as it resolved had a value of X chosen for any of its costs, the value of X for that ability is the same as the value of X for that spell, although the value of X for that permanent is 0. This is an exception to rule 107.3i.
The tap symbol is {T}. The tap symbol in an activation cost means “Tap this permanent.” A permanent that’s already tapped can’t be tapped again to pay the cost. A creature’s activated ability with the tap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
The untap symbol is {Q}. The untap symbol in an activation cost means “Untap this permanent.” A permanent that’s already untapped can’t be untapped again to pay the cost. A creature’s activated ability with the untap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
Rulings
In a Two-Headed Giant game, if one player on a team loses the game, that team loses the game.
If you support the Phyrexians, you must choose a target opponent as your end step begins. Whether that player loses the game is determined only as the ability resolves. This means that the card you discard may be the fifteenth artifact card that causes the target player to lose the game, but it also means that if there is no legal target opponent, you won’t draw or discard.
If you support the Mirrans, Mirrodin Besieged’s ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
If you somehow control Mirrodin Besieged and no choice was made for it, it has neither of the two triggered abilities.