Jayden-Ambush Robber

+2: Jayden deals 2 damages and x damage, where x is the half the amount of creates with 'jay' in their name on the battlefield.
+5: If opponent has more than 5 creatures on the battlefield with mana cost 5 or higher, Jaydendeals 3 damage to 3 creatures an opponent controls.
-12: All creatures Jayden controls get +1/+1 for every permanent on the battlefield.