Target player sacrifices an attacking creature of their choice.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)
If you cast Wing Shards after combat damage has been dealt, only creatures that survived combat can be sacrificed.
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wotc
The copies storm creates are created on the stack, so they’re not cast. Abilities that trigger when a player casts a spell (such as storm) won’t trigger.
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wotc
The storm ability and the copies it creates all resolve before the spell with storm. They resolve even if the spell with storm is countered.
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wotc
Storm counts spells cast before the spell with storm was cast. Spells cast after the spell with storm was cast but before the storm ability resolves aren’t counted.
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wotc
Wing Shards doesn’t target the creature to be sacrificed. The target player chooses the creature as it resolves.
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wotc
An “attacking creature” is one that has been declared as an attacker or put onto the battlefield attacking during a turn’s combat. Unless that creature leaves combat, it continues to be an attacking creature through the end of combat step, even if the player it was attacking has left the game or the planeswalker it was attacking has left combat.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.