Draining Whelk [Time Spiral Remastered]

Set: Time Spiral Remastered Type: Creature — Illusion Rarity: Rare Cost: {4}{U}{U} FlashFlyingWhen Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's converted mana cost.