Failure // Comply

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Choose a card name. Until your next turn, your opponents can't cast spells with the chosen name.

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A spell with aftermath cast from a graveyard will always be exiled afterward, whether it resolves, it’s countered, or it leaves the stack in some other way.

All split cards have two card faces on a single card, and you put a split card onto the stack with only the half you’re casting. The characteristics of the half of the card you didn’t cast are ignored while the spell is on the stack. For example, if an effect prevents you from casting green spells, you can cast Destined of Destined // Lead, but not Lead.

Each split card has two names. If an effect instructs you to choose a card name, you may choose one, but not both.

Each split card is a single card. For example, if you discard one, you’ve discarded one card, not two. If an effect counts the number of instant and sorcery cards in your graveyard, Destined // Lead counts once, not twice.

If a copy of a spell is returned to its owner’s hand, it’s moved there, then it will cease to exist as a state-based action.

If a spell is returned to its owner’s hand, it’s removed from the stack and thus will not resolve. The spell isn’t countered; it just no longer exists. This works against a spell that can’t be countered.

If another effect allows you to cast a split card with aftermath from a graveyard, you may cast either half. If you cast the half that has aftermath, you’ll exile the card if it would leave the stack.

If another effect allows you to cast a split card with aftermath from any zone other than a graveyard, you can’t cast the half with aftermath.

If you cast the first half of a split card with aftermath during your turn, you’ll have priority immediately after it resolves. You can cast the half with aftermath from your graveyard before any player can take any other action if it’s legal for you to do so.

If you choose the name of a split card, you choose one name, not both. For example, you could name Failure or Comply, but not Failure // Comply. Opponents are still allowed to cast the half you didn’t choose.

Split cards with aftermath have a new frame treatment—the half you can cast from your hand is oriented the same as other cards you’d cast from your hand, while the half you can cast from your graveyard is a traditional split card half. This frame treatment is for your convenience and has no rules significance.

While not on the stack, the characteristics of a split card are the combination of its two halves. For example, Destined // Lead is a green and black card, it is both an instant card and a sorcery card, and its converted mana cost is 6. This means that if an effect allows you to cast a card with converted mana cost 2 from your hand, you can’t cast Destined. This is a change from the previous rules for split cards.

You choose a card name as Comply resolves, not as you cast it. Opponents can’t cast spells with that name after you’ve chosen it.

You may choose the name of a land card. Cards with that name can still be played since lands are never cast.

Once you’ve started to cast a spell with aftermath from your graveyard, the card is immediately moved to the stack. Opponents can’t try to stop the ability by exiling the card with an effect such as that of Crook of Condemnation.