Can I bounce Moonring Mirror in reaction to it's upkeep trigger?

Asked by Aethos 7 years ago

Is it possible to bounce my Moonring Mirror in reaction to its upkeep trigger being on the stack? Will I be able to swap my hand or do I immediately lose all the exiled cards of Moonring Mirror?

The scenario I have in mind, would be together with Mindmoil. Let's say I have 30 cards in the Moonring Mirror and 2 hand cards. I'd like to cast Boomerang from hand on top of the mirror trigger, which triggers a 1 card Mindmoil wheel.
Stack:
Mindmoil trigger
Boomerang
Moonring Mirror upkeep trigger

I let the Mindmoil trigger resolve, which triggers another Moonring Mirror draw trigger.
Then I let Boomerang resolve, resulting in my hand being a random card + Moonring Mirror.
Then I let the Moonring Mirror upkeep trigger resolve, giving me 31 hand cards and exiling the random hand card + the mirror forever.

Is this possible? Thanks in advance for your answers.

Neotrup says... #1

Everything you described looks like solid magic, as triggers resolve independent of their sources.

February 9, 2017 2:08 p.m.

Aethos says... #2

That would be nice :D

What I was worried about, is that after Boomerang resolves, the cards exiled by Moonring Mirror wouldn't be retrievable for the triggered ability. I don't quite understand the rules pertaining the tether between exiled cards and their reference.

February 9, 2017 2:22 p.m.

Rhadamanthus says... Accepted answer #3

The reason the trigger can still retrieve the exiled cards in this situation is because it's an ability of the specific Moonring Mirror that put them there. When a card uses its own name in the text of an ability, it means "this object, right here". If the game needs to know something about an object that has gone missing from the zone it was expected to be in, it will use the last-known-information for the object. In your example, the game knows that the cards in exile and the resolving triggered ability are both associated with the same Moonring Mirror.

February 9, 2017 2:32 p.m.

Aethos says... #4

Thanks a lot you two!

February 9, 2017 2:47 p.m.

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