Shrewd Hatchling

Shrewd Hatchling

Creature - Elemental | Power/Toughness: 6 / 6 (CMC 4)
Shrewd Hatchling enters the battlefield with four -1/-1 counters on it.
: Target creature can't block Shrewd Hatchling this turn.
Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.
Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.