Mr. House, President and CEO + Rings of Brighthearth

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Overview

When you activate Mr. House’s , ability, Rings of Brighthearth’s triggered ability can let you copy that activated ability and put a second, independent copy on the stack (assuming Rings is on the battlefield after costs are paid and you pay Rings’ copy cost). Each resolving instance (the original and any copy) will perform its die rolls independently, and each roll is an event that can cause Mr. House’s “Whenever you roll …” triggered ability to trigger as appropriate [700.1]. See the official rulings: Rolls themselves have no inherent effects; they only cause triggered abilities that care about rolls to trigger [2024-03-08]. If Rings isn’t on the battlefield after the activation’s costs are paid (for example, if it was sacrificed to help pay those costs), it won’t be able to copy that activation [2020-11-10].

The StackRules & CitationsDetails & Edge Cases

Step 1

You declare you are activating Mr. House’s ability and pay its activation cost ( plus any mana paid from Treasures, and you tap Mr. House); the number of additional six-sided dice to be rolled is determined by how much mana from Treasures you spent while paying the activation cost (this is part of the activation event).

Step 2

After the ability is activated and is on the stack, Rings of Brighthearth sees that you activated a non-mana ability and its trigger goes on the stack. This is Rings’ triggered ability seeing an activation event [700.1].

Step 3

When Rings’ triggered ability resolves, you may pay . If you do, Rings copies the activated ability and puts that copy onto the stack. The copy is a separate object on the stack which will resolve independently of the original; it copies the activated ability as it existed when activated (including any choices or information associated with that activation) [700.2f].

Step 4

When each resolving instance (the original and any copies) resolves, it carries out its text: roll a six-sided die plus an additional six-sided die for each mana from Treasures that was spent to activate that ability. Each die roll is an event; rolls themselves don’t have inherent effects but will cause triggered abilities that look for rolls to trigger (for example, Mr. House’s “Whenever you roll …”) [700.1] and [2024-03-08].

Step 5

Each qualifying roll (a roll of 4 or higher, and separately a roll of 6) causes Mr. House’s triggered ability to trigger for that roll. Those triggers go on the stack and will resolve later, creating the Robot tokens and Treasure tokens as appropriate.

Resolution

Activate Mr. House’s ability normally. After activation (when the activated ability is on the stack), Rings of Brighthearth’s triggered ability may trigger and, when that trigger resolves and you pay , it will copy the activated ability and put that copy on the stack. The copy resolves separately from the original and will roll dice independently; each die roll is a separate event that can cause Mr. House’s triggered ability to trigger for each qualifying roll [700.1] and as clarified by [2024-03-08]. If Rings was not on the battlefield after the activation (for example, it was sacrificed while paying activation costs), it cannot copy that activation [2020-11-10].