Link, Hero of Hyrule

{g/w}: Link becomes an Elf Scout with base
power and toughness 2/3.
{g/w}{g/w}{g/w}: If Link is a Scout, it becomes an Elf Warrior with base power and toughness 4/4
and vigilance.
{g/w}{g/w}{g/w}{g/w}{g/w}: If Link is a Warrior, it becomes
an Elf Warrior Avatar with base power and toughness 8/8, vigilance, and first strike.