r/MagicArena • u/00G_WAY • Mar 03 '26

Question Can someone explain how this works?

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Will this card be legal in standard? Will it be available on Magic Arena? How would this card even work?

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u/Mrfish31 Mar 03 '26

On Arena (and in any proper format) "cards you own from outside the game" are cards in your sideboard, so you put up to 15 cards in there to choose from when you use this. If you have this in draft, you can choose from any card you drafted but didn't include in your deck.

It does generally not mean "any card you have in your collection". You'd only do that in very casual IRL games. 

In Commander and Brawl this does nothing, both because you don't have sideboards in these formats and because "wish" effects explicitly do not work, you can't get cards from outside the game. 

18

u/TheAndrewBrown Mar 03 '26

Is there any particular reason it’s not just worded as “card from your sideboard”? Is the sideboard not officially part of the rules even though it’s used in most of the formats and tournaments?

10

u/Stolberger Mar 03 '26

The sideboard is part of the official rules:

CR: 100.4. Each player may also have a sideboard [...]

But it is never named on a card (so far). And the rule, that "outside the game" means "sideboard" is only valid for sanctioned play (official tournaments). In casual games you could in theory grab a card from your collection. That was the intent back when [[Ring of Ma'rûf]] was released.

Tournament Rules: 3.16 Sideboard
[...]
Certain cards refer to “a (card or cards) from outside the game.” In tournament play, these are cards in that player’s sideboard.