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TSP #57

Draining Whelk

Creature — Illusion
Draining Whelk
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Draining Whelk

Flash Flying When this creature enters,countertarget spell. Put X +1/+1 counters on this creature, where X is that spell's mana value.

Card Information

Color: U
Identifies: U
Cost:
CMC: 6
Types: Creature
Subtypes: Illusion
P/T: 1 / 1
Rarity: rare
Languages:
Layout: normal
Rank:
#12,082
Saltiness:
0.14 / 4.0

Official Rulings

2021-03-19
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.
2021-03-19
For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.
2021-03-19
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.