Dovescape - Dissension - 143

Enchantment

Mana Cost: {3}{W/U}{W/U}{W/U}

({W/U} can be paid with either {W} or {U}.)
Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

Rare · Dissension · #143 (DIS)

Illustrated by Shishizaru