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Assault Suit + Breath of Fury = Infinite Combat steps?
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Author:  Flyheight [ Tue Oct 31, 2017 5:32 pm ]
Post subject:  Assault Suit + Breath of Fury = Infinite Combat steps?

If I have Breath of Fury and Assault Suit attached to the same creature (say an Invisible Stalker), can I get an additional combat phase and reattach Breath of Fury to the same creature each time I hit an opponent?

The way I'm hoping it works is that where Breath of Fury says "Sacrifice [the enchanted creature] and attach Breath of Fury to a creature you control" the Assault Suit prevents the sacrifice, but Breath of Fury still attempts to do as much as it can, meaning it attaches to a creature (in this case the same creature) thereby hopefully satisfying the "If you do" clause? (Is that an "intervening If"?).

I think/hope it works because the sacrifice and attach commands are both listed before the "if", but I don't know for sure.

Author:  razorborne [ Tue Oct 31, 2017 6:00 pm ]
Post subject:  Re: Assault Suit + Breath of Fury = Infinite Combat steps?

I don't think so? I think the "if" requires that you do everything listed before it, and you skipped one of the steps. the Breath will reattach (which can be to the same creature if you'd like) but then it checks if you sacrificed the thing and it reattached, and that's not the case.

:duel:

Author:  Edacade [ Tue Oct 31, 2017 11:32 pm ]
Post subject:  Re: Assault Suit + Breath of Fury = Infinite Combat steps?

Comp Rules wrote:
117.12. Some spells, activated abilities, and triggered abilities read, “{Do something}. If {a player}
{does, doesn’t, or can’t}, {effect}.” or “{A player} may {do something}. If {that player} {does,
doesn’t, or can’t}, {effect}.” The action {do something} is a cost, paid when the spell or ability
resolves. The “If {a player} {does, doesn’t, or can’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.
Example: You control Standstill, an enchantment that says “When a player casts a spell,
sacrifice Standstill. If you do, each of that player’s opponents draws three cards.” A spell is
cast, causing Standstill’s ability to trigger. Then an ability is activated that exiles Standstill.
When Standstill’s ability resolves, you’re unable to pay the “sacrifice Standstill” cost. No
player will draw cards.


Breath of Fury will not grant an additional combat phase. I included the first example because it's similar enough to the scenario described with Assault Suit.

Specifically, according to the above rule, Breath of Fury has you paying two costs, "sacrifice {enchanted creature}" and "attach Breath of Fury to a creature you control." Both costs must be paid to get the effect after the "If you do" clause. Assault Suit prevents you from paying the "sacrifice {enchanted creature}" cost.

Author:  Flyheight [ Wed Nov 01, 2017 7:07 pm ]
Post subject:  Re: Assault Suit + Breath of Fury = Infinite Combat steps?

Ah. Thank you very much for that detailed explanation and rules reference. I see where my thinking went astray now.
The "does as much as it can" ruling is in reference to resolving effects and abilities, not paying costs, and I wasn't thinking of of the sacrifice as part of the cost for the ability to trigger.

Author:  adeyke [ Wed Nov 01, 2017 8:44 pm ]
Post subject:  Re: Assault Suit + Breath of Fury = Infinite Combat steps?

Flyheight wrote:
Ah. Thank you very much for that detailed explanation and rules reference. I see where my thinking went astray now.
The "does as much as it can" ruling is in reference to resolving effects and abilities, not paying costs, and I wasn't thinking of of the sacrifice as part of the cost for the ability to trigger.


You're viewing costs and effects as mutually exclusive, which they aren't. The sacrifice and attach are both an effect (since it's the result of a resolving ability, which means you must do as much as possible) and a cost (which means the rest of the ability only happens if you paid the cost).

And the term "cost for the ability to trigger" is very wrong. The Breath's ability will automatically trigger when the enchanted creature deals combat damage to a player and will then always go on the stack. It's only when the ability resolves that the cost is paid.

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