Hiko, Stealth Incarnate

Hexproof, first strike, vigilance, flash
All Wolves you control get +2/+1 and vigilance.
{5}{g/w}{g/w}: Create four 2/2 green Wolf creature
tokens.
{3}{g/w}: Create two 3/3 white Elf Knight creature
tokens with "This creature gets +1/+1 and
vigilance if you control 2 or more Wolves."