So if I have a Yidris granting my spells multiple cascade triggers through double-strike or multiple combats, and I cast a spell which already has cascade like Bloodbraid Elf, at which points can I respond to the various triggers?
If I understand it correctly (lets say I get two cascade triggers from Yidris, and 1 from Bloodbraid) I cast Bloodbraid, then I get two cascades on the stack from Yidris, then I get the cascade from Bloodbraid, and then the bloodbraid comes into play.
So the stack would look like this (resolving bottom to top), right?
At which points can I respond to the cascade triggers with abilities? For example, if I wanted to use Reito Lantern to put cards in my library, where does the stack stop to allow me to do that? Just for illustrative purposes, let's say nothing in my deck had a CMC of 3 or less, but I had a Reito Lantern out, and a Lotus Bloom in my graveyard. How many times could I get it out and sac it within the illustrated stack?
Items on the stack only resolve one at a time and only when all players have passed priority without adding anything new to the stack.
Presuming you have enough mana to start the chain you would be able to return the lotus bloom to your library before each of the cascade triggers resolves.
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When a player has priority and casts a spell or activates an ability, that player regains priority.
When a spell or ability on the stack resolves, the active player regains priority.
The stack is a zone (one where objects have an order, like the library for example), not a process. It doesn't "stop". Basically, after anything is added to the stack or resolves, players gain priority and the next object on the stack will only resolve if they pass first.
In short, you will have the chance to use Reito Lantern before each individual Cascade trigger can resolve.
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Now, how the stack looks like in detail. I'll put the next object to resolve on the top in my text, because that's how the rules talks about the stack, with the object on the "top" of the stack being the one that will resolve next, just like the top card of your library is the one you will draw next.
Also, there's no difference between the instances of Cascade given by Yidris and the one BBE has naturally; it simply has Cascade, Cascade, Cascade when you cast it. Even if you wanted to track the two Yidris gave to it separately from the natural one, you would get to order them in any order anyway.
So, your main phase post-combat starts and you cast BBE, paying its mana cost. That triggers the three instances of Cascade it has.
THE STACK
(top)
Bloobraid Elf
(bottom)
After you've cast BBE, you would regain priority. But right before that, you put on the stack the abilities that triggered.
Now you regain priority. If you pass and your opponent also passes, the first Cascade trigger gets to resolve. Instead, you use your priority to activate Reito Lantern's ability, choosing Lotus Bloom as its target and paying its activation cost.
No ability trigger from this action, so you regain priority and pass. Your opponent also passes. Reito Lantern's ability resolves, putting Lotus Bloom on the bottom of your library. The stack looks like that again:
The active player, you, regains priority. You pass, your opponent passes, the first Cascade trigger resolves. You exile all cards in your library until reaching the Lotus Bloom, and then you cast it for free, putting it on the top of the stack. The rest of the cards are shuffled and become your library again.
You activate Lotus Bloom's ability, sacrificing it as the cost. It's a mana ability so it doesn't use the stack. Then you use the mana to activate Reito Lantern's ability again, targeting the same Lotus Bloom again.
If I understand it correctly (lets say I get two cascade triggers from Yidris, and 1 from Bloodbraid) I cast Bloodbraid, then I get two cascades on the stack from Yidris, then I get the cascade from Bloodbraid, and then the bloodbraid comes into play.
So the stack would look like this (resolving bottom to top), right?
Bloodbraid Elf
Cascade trigger: Bloodbraid Elf
1st Cascade trigger: Yidris
2nd Cascade trigger: Yidris
At which points can I respond to the cascade triggers with abilities? For example, if I wanted to use Reito Lantern to put cards in my library, where does the stack stop to allow me to do that? Just for illustrative purposes, let's say nothing in my deck had a CMC of 3 or less, but I had a Reito Lantern out, and a Lotus Bloom in my graveyard. How many times could I get it out and sac it within the illustrated stack?
Custom Set
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Presuming you have enough mana to start the chain you would be able to return the lotus bloom to your library before each of the cascade triggers resolves.
- H.L Mencken
I Became insane with long Intervals of horrible Sanity
All Religion, my friend is simply evolved out of fraud, fear, greed, imagination and poetry.
- Edgar Allan Poe
The Crafters' Rules Guru
AWESOME!
Custom Set
https://docs.google.com/spreadsheets/d/1hu9uNBSUt92PwGhvexYlwFvsh6_SJBlEEIUV3H9_XyU/edit?usp=sharing
When a spell or ability on the stack resolves, the active player regains priority.
The stack is a zone (one where objects have an order, like the library for example), not a process. It doesn't "stop". Basically, after anything is added to the stack or resolves, players gain priority and the next object on the stack will only resolve if they pass first.
In short, you will have the chance to use Reito Lantern before each individual Cascade trigger can resolve.
---
Now, how the stack looks like in detail. I'll put the next object to resolve on the top in my text, because that's how the rules talks about the stack, with the object on the "top" of the stack being the one that will resolve next, just like the top card of your library is the one you will draw next.
Also, there's no difference between the instances of Cascade given by Yidris and the one BBE has naturally; it simply has Cascade, Cascade, Cascade when you cast it. Even if you wanted to track the two Yidris gave to it separately from the natural one, you would get to order them in any order anyway.
So, your main phase post-combat starts and you cast BBE, paying its mana cost. That triggers the three instances of Cascade it has.
THE STACK
(top)
Bloobraid Elf
(bottom)
After you've cast BBE, you would regain priority. But right before that, you put on the stack the abilities that triggered.
THE STACK
(top)
Cascade #1
Cascade #2
Cascade #3
Bloobraid Elf
(bottom)
Now you regain priority. If you pass and your opponent also passes, the first Cascade trigger gets to resolve. Instead, you use your priority to activate Reito Lantern's ability, choosing Lotus Bloom as its target and paying its activation cost.
THE STACK
(top)
Reito Lantern's ability (target: Lotus Bloom)
Cascade #1
Cascade #2
Cascade #3
Bloobraid Elf
(bottom)
No ability trigger from this action, so you regain priority and pass. Your opponent also passes. Reito Lantern's ability resolves, putting Lotus Bloom on the bottom of your library. The stack looks like that again:
THE STACK
(top)
Cascade #1
Cascade #2
Cascade #3
Bloobraid Elf
(bottom)
The active player, you, regains priority. You pass, your opponent passes, the first Cascade trigger resolves. You exile all cards in your library until reaching the Lotus Bloom, and then you cast it for free, putting it on the top of the stack. The rest of the cards are shuffled and become your library again.
THE STACK
(top)
Lotus Bloom
Cascade #2
Cascade #3
Bloobraid Elf
(bottom)
Nothing triggered from it, so you regain priority and just pass. Your opponent passes, and Lotus Bloom resolves, entering the battlefield.
THE STACK
(top)
Cascade (BBE) #2
Cascade (BBE) #3
Bloobraid Elf
(bottom)
You activate Lotus Bloom's ability, sacrificing it as the cost. It's a mana ability so it doesn't use the stack. Then you use the mana to activate Reito Lantern's ability again, targeting the same Lotus Bloom again.
THE STACK
(top)
Reito Lantern's ability.
Cascade #2
Cascade #3
Bloobraid Elf
(bottom)
The next actions are pretty much the same as above, until you get to finally have Bloodbraid Elf resolve and enter the battlefield.
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EDIT:
Never "during" the resolution, but always after it has resolved, before the next thing can resolve.