双重施法 (CS Dual Casting)

结界～ - 灵气    (CMC:2)

结附于生物 所结附的生物具有「，：复制目标由你操控的瞬间或法术咒语。 你可以为该复制品选择新的目标。」

狱窖开启后数小时，他的力量回复到以前两倍。

133 AVR • CSJohannes Voss

™ & © 1993—2012 Wizards of the Coast

Notes: TODO: Update Copyright

Legal in: Modern,Extended,Innistrad Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Tribal Wars Standard,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Dual Casting {1}{R} Enchantment — Aura Enchant creature Enchanted creature has "{R}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy."

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View this MTG card on Gatherer

5/1/2012
The ability granted by Dual Casting can target (and copy) any instant or sorcery spell you control, not just one with targets.
5/1/2012
The copy is created on the stack, so it's not "cast." Abilities that trigger when a player casts a spell won't trigger. The copy will then resolve like a normal spell, after players get a chance to cast spells and activate abilities.
5/1/2012
The copy will have the same targets as the spell it's copying unless you choose new ones. You may change any number of the targets, including all of them or none of them. If, for one of the targets, you can't choose a new legal target, then it remains unchanged (even if the current target is illegal).
5/1/2012
If the spell being copied is modal (that is, it says "Choose one --" or the like), the copy will have the same mode(s). You can't choose different ones.
5/1/2012
If the spell being copied has an X whose value was determined as it was cast (like Earthquake does), the copy has the same value of X.
5/1/2012
You can't choose to pay any additional costs for the copy. However, effects based on any additional costs that were paid for the original spell are copied as though those same costs were paid for the copy too. For example, if you sacrifice a 3/3 creature to cast Fling and then copy it with the ability granted by Dual Casting, the copy of Fling will also deal 3 damage to its target.

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Card Dual Casting is not on TCGPlayer.