時を越えた詠唱

15/06/10

If a replacement effect would cause a spell with rebound that you cast from your hand to be put somewhere else instead of your graveyard (such as Leyline of the Void might), you choose whether to apply the rebound effect or the other effect as the spell resolves.

15/06/10

If a spell has restrictions on when it can be cast (for example, “Cast [this spell] only during the declare blockers step”), those restrictions may prevent you from casting it from exile during your upkeep.

15/06/10

If a spell moves itself into another zone as part of its resolution (as Arc Blade, All Suns’ Dawn, and Beacon of Unrest do), rebound won’t get a chance to apply.

15/06/10

If a spell with rebound that you cast from your hand doesn’t resolve for any reason (due being countered by a spell like Cancel, or because all of its targets are illegal), rebound has no effect. The spell is simply put into your graveyard. You won’t get to cast it again next turn.

15/06/10

If you are unable to cast a card from exile this way, or you choose not to, nothing happens when the delayed triggered ability resolves. The card remains exiled for the rest of the game, and you won’t get another chance to cast the card. The same is true if the ability is countered (due to Stifle, perhaps).

15/06/10

If you cast a spell with rebound from your hand and it resolves, it isn’t put into your graveyard. Rather, it’s exiled directly from the stack. Effects that care about cards being put into your graveyard won’t do anything.

15/06/10

If you cast an instant or sorcery spell from your hand and it’s exiled due to rebound, the delayed triggered ability will allow you to cast it during your next upkeep even if Cast Through Time has left the battlefield by then.

15/06/10

Multiple instances of rebound on the same spell are redundant.

15/06/10

Similarly, if you gain control of an instant or sorcery spell with Commandeer, it will have rebound, but the ability won’t do anything because that spell wasn’t cast from your hand.

15/06/10

You’ll be able to cast a spell with flashback three times this way. First you can cast it from your hand. It will be exiled due to rebound as it resolves. Then you can cast it from exile due to rebound’s delayed triggered ability. It will be put into your graveyard as it resolves. Then you can cast it from your graveyard due to flashback. It will be exiled due to flashback as it resolves.