Elvish Mythic

Creatures you control are Mythics
Elvish Mythic gets a +1+1 counter for each Mythic Rare creature you control
Mythic Rare creatures you control get +3+3
Mythic rares your opponents control cost{3}more to cast
Creatures your opponents control that cost {3} or more mana are mythics
{g}{g} Mythics your opponents control can't activate any abilities, attack or block