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Mimic Vat has two abilities. The one I am concerned with is:

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

Anthony controls his commander, Ezuri, Renegade Leader. He also controls Mimic Vat with Llanowar Elves imprinted. The following occurs:

  • Ezuri dies
  • Mimic Vat triggers and resolves
  • Anthony chooses to Exile Ezuri
  • Anthony replaces the event, "exile that card", by sending Ezuri to the Command zone

We are not done following Mimic Vat's instructions.

If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

This is where I get confused. I see two possible interpretations of "If you do":

  • "If you [exile that card], ..."
  • "If you [choose to exile that card], ..."

Which interpretation is correct? Have we satisfied the condition? Does Llanowar Elves end up in its owner's graveyard, or does it remain in exile?

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  • Isn't Rofellos banned in commander?
    – Zags
    May 26, 2015 at 15:42
  • Rofellos was banned specifically as a commander back when it was EDH; looks like Wizards ported that by just having him banned writ large, which is too bad
    – Zags
    May 26, 2015 at 15:44
  • 1
    @Zags Wizards didn't do that, the Commander Rules Committee decided fairly recently to get rid of the "Banned as Commander" list and just merge it into the regular Banned List to reduce confusion.
    – diego
    May 26, 2015 at 15:58

2 Answers 2

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With the current Commander rules, there is no longer the mentioned replacement effect. Instead, if the commander moves to the graveyard or exile, its owner can then move it to the command zone as a state-based action afterward [CR 903.9]. That simplifies this scenario considerably: now you choose to exile the commander, and you do exile the commander, and then it moves to the command zone afterward. The condition is satisfied, and the Llanowar Elves moves to the graveyard.


Under the previous Commander rules, this worked as follows:

The correct interpretation is the second option. You have satisfied the condition, and Llanowar Elves ends up in its owner's graveyard. This is because rule 117.12 says

Some spells, activated abilities, and triggered abilities read, "[Do something]. If [a player] [does or doesn't], [effect]." or "[A player] may [do something]. If [that player] [does or doesn't], [effect]." The action [do something] is a cost, paid when the spell or ability resolves. The "If [a player] [does or doesn't]" clause checks whether the player chose to pay an optional cost or started to pay a mandatory cost, regardless of what events actually occurred.

in addition, rule 117.11 says

The actions performed when paying a cost may be modified by effects. Even if they are, meaning the actions that are performed don't match the actions that are called for, the cost has still been paid.

In this specific scenario, the cost of moving Ezuri to the exile zone is replaced by moving it to the command zone, but the cost still counts as paid.

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  • More specifically, it's choosing to exile it in the sense of choosing to and initially being able to. I'm not sure the distinction matters in this case, but for example if you put an Assault Suit ("can't be sacrificed") on a Living Lore ("...you may sacrifice it. If you do...") then you can't make that choice in the first place.
    – Cascabel
    May 26, 2015 at 15:36
  • Comments are not for extended discussion; this conversation has been moved to chat. May 30, 2015 at 16:51
  • Worth noting the change to the commander rules, where commanders now do die and are exiled before moving to the command zone as an SBA rather than a replacement effect, makes this situation no longer possible, Ezuri would be put into exile on mimic vat fully under the current rules and then moved from exile to the command zone (other replacement effects for exile might still exist)
    – Andrew
    Feb 12, 2021 at 2:16
  • Which situation are you saying is no longer possible? It no longer plays out exactly as described in the answer, but the difference is fairly marginal: now Ezuri is exiled and then it goes to the command zone, but practically speaking the rest is the same.
    – murgatroid99
    Feb 12, 2021 at 2:50
  • @murgatroid99 AFAIK the commander replacement effect was the only effect that would replace a card being put into exile with something other than putting it into exile (like unearth would) since commanders now go to exile and then move out of it.
    – Andrew
    Feb 14, 2021 at 15:35
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It simply checks the choice you made.

117.12. Some spells, activated abilities, and triggered abilities read, "[Do something]. If [a player] [does or doesn't], [effect]." or "[A player] may [do something]. If [that player] [does or doesn't], [effect]." The action [do something] is a cost, paid when the spell or ability resolves. The "If [a player] [does or doesn't]" clause checks whether the player chose to pay an optional cost or started to pay a mandatory cost, regardless of what events actually occurred.

Even if Ezuri wasn't exiled, the condition would still met because you chose to exile it, so Llanowar Elves does end up in its owner's graveyard.


The example you gave is rather poor because Ezuri was exiled in your scenario. While it didn't enter the Exile zone, it was exiled because it's not the exile action that was replaced but the put into exile action[1]. The following scenario is a better example:

  1. You deal combat damage with Abomination of Gudul.
  2. You have an empty library.
  3. You chose to draw a card.

You are normally forbidden to take an illegal or impossible action, but you are allowed to chose to draw a card even when it's illegal or impossible to draw a card[CR 608.2d].

In this scenario, you would have to discard a card because you chose to draw a card even though you couldn't perform the action.


  1. For example, if you were to sacrifice Blightsteel Colossus, Dragon Appeasement would allow you to draw a card even though Blightsteel Colossus never reached your graveyard.
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