Draining Whelk #57
Market Price
Raw
$0.40
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Card Details
Flash
Flying
When this creature enters, counter target spell. Put X +1/+1 counters on this creature, where X is that spell's mana value.
1/1
Illustrated by Mark Tedin
Rulings (3)
Mar 19, 2021
Draining Whelk's ability counters the target spell even if you can't put counters on Draining Whelk, most likely because Draining Whelk left the battlefield before the ability resolved.
Mar 19, 2021
For spells with 
in their mana costs, use the value chosen for X to determine the spell's mana value.
Mar 19, 2021
If the target spell is an illegal target by the time Draining Whelk's ability tries to resolve, the spell doesn't resolve. You don't put any counters on Draining Whelk. If the target is legal but the spell can't be countered, you do put counters on Draining Whelk.
Reprints
