Magic the Gathering Foundations: Koma, World-Eater (0121)

Type:    Legendary Creature - Serpent
Cast:    3 G G U U    
Rarity:    R
Collector #:    0121
Pow/Tuf:    8/12
This spell can't be countered.
Trample, ward 4
Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.