Mishu's Wolfpack

Mishu's Wolfpack gets +1/+1 for each other
wolf you control.
Mishu's Wolfpack costs {r} lass to cast if you
control 3 or more wolfs.
Mishu's Wolfpack costs {g} lass to cast if a wolf
entered the battlefield this turn.
A deck can have any number of cards named
Mishu's Wolfpack.